21200900399

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{460079}}^1$

素因数の和:460342

約数の個数: 16

約数和(自身を含む): 25175577600

約数和(自身を除く): 3974677201

約数列:

[1, 7, 29, 203, 227, 1589, 6583, 46081, 460079, 3220553, 13342291, 93396037, 104437933, 731065531, 3028700057, 21200900399]

約数ペア:

[(1, 21200900399), (7, 3028700057), (29, 731065531), (203, 104437933), (227, 93396037), (1589, 13342291), (6583, 3220553), (46081, 460079)]