21473254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22699}}^1$

素因数の和:22755

約数の個数: 16

約数和(自身を含む): 35956800

約数和(自身を除く): 14483546

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22699, 45398, 249689, 499378, 976057, 1952114, 10736627, 21473254]

約数ペア:

[(1, 21473254), (2, 10736627), (11, 1952114), (22, 976057), (43, 499378), (86, 249689), (473, 45398), (946, 22699)]