21283847

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 24444000

約数和(自身を除く): 3160153

約数列:

[1, 13, 17, 193, 221, 499, 2509, 3281, 6487, 8483, 42653, 96307, 110279, 1251991, 1637219, 21283847]

約数ペア:

[(1, 21283847), (13, 1637219), (17, 1251991), (193, 110279), (221, 96307), (499, 42653), (2509, 8483), (3281, 6487)]