21956450

素因数分解:

$2^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2797}}^1$

素因数の和:2966

約数の個数: 24

約数和(自身を含む): 41113812

約数和(自身を除く): 19157362

約数列:

[1, 2, 5, 10, 25, 50, 157, 314, 785, 1570, 2797, 3925, 5594, 7850, 13985, 27970, 69925, 139850, 439129, 878258, 2195645, 4391290, 10978225, 21956450]

約数ペア:

[(1, 21956450), (2, 10978225), (5, 4391290), (10, 2195645), (25, 878258), (50, 439129), (157, 139850), (314, 69925), (785, 27970), (1570, 13985), (2797, 7850), (3925, 5594)]