21240365218

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1\times {\mathrm{70991}}^1$

素因数の和:71913

約数の個数: 16

約数和(自身を含む): 32057147520

約数和(自身を除く): 10816782302

約数列:

[1, 2, 211, 422, 709, 1418, 70991, 141982, 149599, 299198, 14979101, 29958202, 50332619, 100665238, 10620182609, 21240365218]

約数ペア:

[(1, 21240365218), (2, 10620182609), (211, 100665238), (422, 50332619), (709, 29958202), (1418, 14979101), (70991, 299198), (141982, 149599)]