21688788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{164309}}^1$

素因数の和:164327

約数の個数: 24

約数和(自身を含む): 55208160

約数和(自身を除く): 33519372

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 164309, 328618, 492927, 657236, 985854, 1807399, 1971708, 3614798, 5422197, 7229596, 10844394, 21688788]

約数ペア:

[(1, 21688788), (2, 10844394), (3, 7229596), (4, 5422197), (6, 3614798), (11, 1971708), (12, 1807399), (22, 985854), (33, 657236), (44, 492927), (66, 328618), (132, 164309)]