21000866827

素因数分解:

${\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{55001}}^1$

素因数の和:55254

約数の個数: 16

約数和(自身を含む): 22071202560

約数和(自身を除く): 1070335733

約数列:

[1, 31, 109, 113, 3379, 3503, 12317, 55001, 381827, 1705031, 5995109, 6215113, 185848379, 192668503, 677447317, 21000866827]

約数ペア:

[(1, 21000866827), (31, 677447317), (109, 192668503), (113, 185848379), (3379, 6215113), (3503, 5995109), (12317, 1705031), (55001, 381827)]