21117942412

素因数分解:

$2^2\times 7^1\times {\mathrm{754212229}}^1$

素因数の和:754212240

約数の個数: 12

約数和(自身を含む): 42235884880

約数和(自身を除く): 21117942468

約数列:

[1, 2, 4, 7, 14, 28, 754212229, 1508424458, 3016848916, 5279485603, 10558971206, 21117942412]

約数ペア:

[(1, 21117942412), (2, 10558971206), (4, 5279485603), (7, 3016848916), (14, 1508424458), (28, 754212229)]