21939806

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{5039}}^1$

素因数の和:5359

約数の個数: 16

約数和(自身を含む): 37739520

約数和(自身を除く): 15799714

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 5039, 10078, 35273, 70546, 1567129, 3134258, 10969903, 21939806]

約数ペア:

[(1, 21939806), (2, 10969903), (7, 3134258), (14, 1567129), (311, 70546), (622, 35273), (2177, 10078), (4354, 5039)]