21342630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6907}}^1$

素因数の和:7020

約数の個数: 32

約数和(自身を含む): 51727104

約数和(自身を除く): 30384474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6907, 13814, 20721, 34535, 41442, 69070, 103605, 207210, 711421, 1422842, 2134263, 3557105, 4268526, 7114210, 10671315, 21342630]

約数ペア:

[(1, 21342630), (2, 10671315), (3, 7114210), (5, 4268526), (6, 3557105), (10, 2134263), (15, 1422842), (30, 711421), (103, 207210), (206, 103605), (309, 69070), (515, 41442), (618, 34535), (1030, 20721), (1545, 13814), (3090, 6907)]