21897088421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{54335207}}^1$

素因数の和:54335251

約数の個数: 8

約数和(自身を含む): 24342173184

約数和(自身を除く): 2445084763

約数列:

[1, 13, 31, 403, 54335207, 706357691, 1684391417, 21897088421]

約数ペア:

[(1, 21897088421), (13, 1684391417), (31, 706357691), (403, 54335207)]