21929167

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 25395552

約数和(自身を除く): 3466385

約数列:

[1, 13, 17, 67, 221, 871, 1139, 1481, 14807, 19253, 25177, 99227, 327301, 1289951, 1686859, 21929167]

約数ペア:

[(1, 21929167), (13, 1686859), (17, 1289951), (67, 327301), (221, 99227), (871, 25177), (1139, 19253), (1481, 14807)]