21697481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 24561600

約数和(自身を除く): 2864119

約数列:

[1, 13, 29, 67, 377, 859, 871, 1943, 11167, 24911, 25259, 57553, 323843, 748189, 1669037, 21697481]

約数ペア:

[(1, 21697481), (13, 1669037), (29, 748189), (67, 323843), (377, 57553), (859, 25259), (871, 24911), (1943, 11167)]