21112790

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5881}}^1$

素因数の和:6247

約数の個数: 16

約数和(自身を含む): 38115360

約数和(自身を除く): 17002570

約数列:

[1, 2, 5, 10, 359, 718, 1795, 3590, 5881, 11762, 29405, 58810, 2111279, 4222558, 10556395, 21112790]

約数ペア:

[(1, 21112790), (2, 10556395), (5, 4222558), (10, 2111279), (359, 58810), (718, 29405), (1795, 11762), (3590, 5881)]