21895544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248813}}^1$

素因数の和:248830

約数の個数: 16

約数和(自身を含む): 44786520

約数和(自身を除く): 22890976

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248813, 497626, 995252, 1990504, 2736943, 5473886, 10947772, 21895544]

約数ペア:

[(1, 21895544), (2, 10947772), (4, 5473886), (8, 2736943), (11, 1990504), (22, 995252), (44, 497626), (88, 248813)]