21466024

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 41184000

約数和(自身を除く): 19717976

約数列:

[1, 2, 4, 8, 103, 109, 206, 218, 239, 412, 436, 478, 824, 872, 956, 1912, 11227, 22454, 24617, 26051, 44908, 49234, 52102, 89816, 98468, 104204, 196936, 208408, 2683253, 5366506, 10733012, 21466024]

約数ペア:

[(1, 21466024), (2, 10733012), (4, 5366506), (8, 2683253), (103, 208408), (109, 196936), (206, 104204), (218, 98468), (239, 89816), (412, 52102), (436, 49234), (478, 44908), (824, 26051), (872, 24617), (956, 22454), (1912, 11227)]