21462279

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2351}}^1$

素因数の和:2550

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 9019641

約数列:

[1, 3, 17, 51, 179, 537, 2351, 3043, 7053, 9129, 39967, 119901, 420829, 1262487, 7154093, 21462279]

約数ペア:

[(1, 21462279), (3, 7154093), (17, 1262487), (51, 420829), (179, 119901), (537, 39967), (2351, 9129), (3043, 7053)]