21729877

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 24413760

約数和(自身を除く): 2683883

約数列:

[1, 13, 41, 59, 533, 691, 767, 2419, 8983, 28331, 31447, 40769, 368303, 529997, 1671529, 21729877]

約数ペア:

[(1, 21729877), (13, 1671529), (41, 529997), (59, 368303), (533, 40769), (691, 31447), (767, 28331), (2419, 8983)]