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keyword

factor of 21

Monthly search volume and cost-per-click data for "factor of 21" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=factor+of+21&country=us" +--------------+------------------+ | volume | 14,800 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
21 factors 12,100 $0 20/20
factors of 21 12,100 $0 20/20
factors for 21 12,100 $0 15/20
21 factor 12,100 $0 14/20
what are the factors of 21 2,900 $0 20/20
what is factor of 21 2,900 $0 17/20
what are the factors for 21 2,900 $0 15/20
what is a factor of 21 2,900 $0 15/20
prime factors of 21 1,300 $0 16/20
prime factorization of 21 1,000 $0 16/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=factor+of+21&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt