21689544

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21017}}^1$

素因数の和:21069

約数の個数: 32

約数和(自身を含む): 55487520

約数和(自身を除く): 33797976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21017, 42034, 63051, 84068, 126102, 168136, 252204, 504408, 903731, 1807462, 2711193, 3614924, 5422386, 7229848, 10844772, 21689544]

約数ペア:

[(1, 21689544), (2, 10844772), (3, 7229848), (4, 5422386), (6, 3614924), (8, 2711193), (12, 1807462), (24, 903731), (43, 504408), (86, 252204), (129, 168136), (172, 126102), (258, 84068), (344, 63051), (516, 42034), (1032, 21017)]