21991150319

素因数分解:

${\mathrm{691}}^1\times {\mathrm{3821}}^1\times {\mathrm{8329}}^1$

素因数の和:12841

約数の個数: 8

約数和(自身を含む): 22031383920

約数和(自身を除く): 40233601

約数列:

[1, 691, 3821, 8329, 2640311, 5755339, 31825109, 21991150319]

約数ペア:

[(1, 21991150319), (691, 31825109), (3821, 5755339), (8329, 2640311)]