21878441

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 2736919

約数列:

[1, 13, 29, 131, 377, 443, 1703, 3799, 5759, 12847, 49387, 58033, 167011, 754429, 1682957, 21878441]

約数ペア:

[(1, 21878441), (13, 1682957), (29, 754429), (131, 167011), (377, 58033), (443, 49387), (1703, 12847), (3799, 5759)]