21674180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98519}}^1$

素因数の和:98539

約数の個数: 24

約数和(自身を含む): 49654080

約数和(自身を除く): 27979900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98519, 197038, 394076, 492595, 985190, 1083709, 1970380, 2167418, 4334836, 5418545, 10837090, 21674180]

約数ペア:

[(1, 21674180), (2, 10837090), (4, 5418545), (5, 4334836), (10, 2167418), (11, 1970380), (20, 1083709), (22, 985190), (44, 492595), (55, 394076), (110, 197038), (220, 98519)]