21000391621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{40619713}}^1$

素因数の和:40619771

約数の個数: 8

約数和(自身を含む): 23396955264

約数和(自身を除く): 2396563643

約数列:

[1, 11, 47, 517, 40619713, 446816843, 1909126511, 21000391621]

約数ペア:

[(1, 21000391621), (11, 1909126511), (47, 446816843), (517, 40619713)]