21819844

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 39231360

約数和(自身を除く): 17411516

約数列:

[1, 2, 4, 47, 94, 188, 277, 419, 554, 838, 1108, 1676, 13019, 19693, 26038, 39386, 52076, 78772, 116063, 232126, 464252, 5454961, 10909922, 21819844]

約数ペア:

[(1, 21819844), (2, 10909922), (4, 5454961), (47, 464252), (94, 232126), (188, 116063), (277, 78772), (419, 52076), (554, 39386), (838, 26038), (1108, 19693), (1676, 13019)]