21964007

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 24310272

約数和(自身を除く): 2346265

約数列:

[1, 13, 67, 151, 167, 871, 1963, 2171, 10117, 11189, 25217, 131521, 145457, 327821, 1689539, 21964007]

約数ペア:

[(1, 21964007), (13, 1689539), (67, 327821), (151, 145457), (167, 131521), (871, 25217), (1963, 11189), (2171, 10117)]