21911816

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{8807}}^1$

素因数の和:9124

約数の個数: 16

約数和(自身を含む): 41221440

約数和(自身を除く): 19309624

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 8807, 17614, 35228, 70456, 2738977, 5477954, 10955908, 21911816]

約数ペア:

[(1, 21911816), (2, 10955908), (4, 5477954), (8, 2738977), (311, 70456), (622, 35228), (1244, 17614), (2488, 8807)]