21000377032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154414537}}^1$

素因数の和:154414560

約数の個数: 16

約数和(自身を含む): 41691925260

約数和(自身を除く): 20691548228

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154414537, 308829074, 617658148, 1235316296, 2625047129, 5250094258, 10500188516, 21000377032]

約数ペア:

[(1, 21000377032), (2, 10500188516), (4, 5250094258), (8, 2625047129), (17, 1235316296), (34, 617658148), (68, 308829074), (136, 154414537)]