21406567

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3511}}^1$

素因数の和:3598

約数の個数: 16

約数和(自身を含む): 26747392

約数和(自身を除く): 5340825

約数列:

[1, 7, 13, 67, 91, 469, 871, 3511, 6097, 24577, 45643, 235237, 319501, 1646659, 3058081, 21406567]

約数ペア:

[(1, 21406567), (7, 3058081), (13, 1646659), (67, 319501), (91, 235237), (469, 45643), (871, 24577), (3511, 6097)]