21044464

素因数分解:

$2^4\times 7^1\times {\mathrm{187897}}^1$

素因数の和:187912

約数の個数: 20

約数和(自身を含む): 46598704

約数和(自身を除く): 25554240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187897, 375794, 751588, 1315279, 1503176, 2630558, 3006352, 5261116, 10522232, 21044464]

約数ペア:

[(1, 21044464), (2, 10522232), (4, 5261116), (7, 3006352), (8, 2630558), (14, 1503176), (16, 1315279), (28, 751588), (56, 375794), (112, 187897)]