21740894

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53549}}^1$

素因数の和:53587

約数の個数: 16

約数和(自身を含む): 38556000

約数和(自身を除く): 16815106

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53549, 107098, 374843, 749686, 1552921, 3105842, 10870447, 21740894]

約数ペア:

[(1, 21740894), (2, 10870447), (7, 3105842), (14, 1552921), (29, 749686), (58, 374843), (203, 107098), (406, 53549)]