21172021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{95801}}^1$

素因数の和:95831

約数の個数: 8

約数和(自身を含む): 24142104

約数和(自身を除く): 2970083

約数列:

[1, 13, 17, 221, 95801, 1245413, 1628617, 21172021]

約数ペア:

[(1, 21172021), (13, 1628617), (17, 1245413), (221, 95801)]