21879472

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4397}}^1$

素因数の和:4716

約数の個数: 20

約数和(自身を含む): 42537456

約数和(自身を除く): 20657984

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4397, 4976, 8794, 17588, 35176, 70352, 1367467, 2734934, 5469868, 10939736, 21879472]

約数ペア:

[(1, 21879472), (2, 10939736), (4, 5469868), (8, 2734934), (16, 1367467), (311, 70352), (622, 35176), (1244, 17588), (2488, 8794), (4397, 4976)]