21950672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80701}}^1$

素因数の和:80726

約数の個数: 20

約数和(自身を含む): 45031716

約数和(自身を除く): 23081044

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80701, 161402, 322804, 645608, 1291216, 1371917, 2743834, 5487668, 10975336, 21950672]

約数ペア:

[(1, 21950672), (2, 10975336), (4, 5487668), (8, 2743834), (16, 1371917), (17, 1291216), (34, 645608), (68, 322804), (136, 161402), (272, 80701)]