21668936

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5179}}^1$

素因数の和:5708

約数の個数: 16

約数和(自身を含む): 40714800

約数和(自身を除く): 19045864

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5179, 10358, 20716, 41432, 2708617, 5417234, 10834468, 21668936]

約数ペア:

[(1, 21668936), (2, 10834468), (4, 5417234), (8, 2708617), (523, 41432), (1046, 20716), (2092, 10358), (4184, 5179)]