21574564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28843}}^1$

素因数の和:28875

約数の個数: 24

約数和(自身を含む): 43612128

約数和(自身を除く): 22037564

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28843, 57686, 115372, 317273, 490331, 634546, 980662, 1269092, 1961324, 5393641, 10787282, 21574564]

約数ペア:

[(1, 21574564), (2, 10787282), (4, 5393641), (11, 1961324), (17, 1269092), (22, 980662), (34, 634546), (44, 490331), (68, 317273), (187, 115372), (374, 57686), (748, 28843)]