211068860

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{20981}}^1$

素因数の和:21493

約数の個数: 24

約数和(自身を含む): 444146976

約数和(自身を除く): 233078116

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 20981, 41962, 83924, 104905, 209810, 419620, 10553443, 21106886, 42213772, 52767215, 105534430, 211068860]

約数ペア:

[(1, 211068860), (2, 105534430), (4, 52767215), (5, 42213772), (10, 21106886), (20, 10553443), (503, 419620), (1006, 209810), (2012, 104905), (2515, 83924), (5030, 41962), (10060, 20981)]