21421166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10429}}^1$

素因数の和:10523

約数の個数: 16

約数和(自身を含む): 35044800

約数和(自身を除く): 13623634

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10429, 20858, 135577, 271154, 823891, 1647782, 10710583, 21421166]

約数ペア:

[(1, 21421166), (2, 10710583), (13, 1647782), (26, 823891), (79, 271154), (158, 135577), (1027, 20858), (2054, 10429)]