21008876

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25873}}^1$

素因数の和:25913

約数の個数: 24

約数和(自身を含む): 43468320

約数和(自身を除く): 22459444

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25873, 51746, 103492, 181111, 362222, 724444, 750317, 1500634, 3001268, 5252219, 10504438, 21008876]

約数ペア:

[(1, 21008876), (2, 10504438), (4, 5252219), (7, 3001268), (14, 1500634), (28, 750317), (29, 724444), (58, 362222), (116, 181111), (203, 103492), (406, 51746), (812, 25873)]