21206526

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321311}}^1$

素因数の和:321327

約数の個数: 16

約数和(自身を含む): 46268928

約数和(自身を除く): 25062402

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321311, 642622, 963933, 1927866, 3534421, 7068842, 10603263, 21206526]

約数ペア:

[(1, 21206526), (2, 10603263), (3, 7068842), (6, 3534421), (11, 1927866), (22, 963933), (33, 642622), (66, 321311)]