21068558

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51893}}^1$

素因数の和:51931

約数の個数: 16

約数和(自身を含む): 37363680

約数和(自身を除く): 16295122

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51893, 103786, 363251, 726502, 1504897, 3009794, 10534279, 21068558]

約数ペア:

[(1, 21068558), (2, 10534279), (7, 3009794), (14, 1504897), (29, 726502), (58, 363251), (203, 103786), (406, 51893)]