21085597

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23748480

約数和(自身を除く): 2662883

約数列:

[1, 13, 37, 59, 481, 743, 767, 2183, 9659, 27491, 28379, 43837, 357383, 569881, 1621969, 21085597]

約数ペア:

[(1, 21085597), (13, 1621969), (37, 569881), (59, 357383), (481, 43837), (743, 28379), (767, 27491), (2183, 9659)]