21098456

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23339}}^1$

素因数の和:23458

約数の個数: 16

約数和(自身を含む): 39911400

約数和(自身を除く): 18812944

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23339, 46678, 93356, 186712, 2637307, 5274614, 10549228, 21098456]

約数ペア:

[(1, 21098456), (2, 10549228), (4, 5274614), (8, 2637307), (113, 186712), (226, 93356), (452, 46678), (904, 23339)]