21073070

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14143}}^1$

素因数の和:14299

約数の個数: 16

約数和(自身を含む): 38188800

約数和(自身を除く): 17115730

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14143, 28286, 70715, 141430, 2107307, 4214614, 10536535, 21073070]

約数ペア:

[(1, 21073070), (2, 10536535), (5, 4214614), (10, 2107307), (149, 141430), (298, 70715), (745, 28286), (1490, 14143)]