21077848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239521}}^1$

素因数の和:239538

約数の個数: 16

約数和(自身を含む): 43113960

約数和(自身を除く): 22036112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239521, 479042, 958084, 1916168, 2634731, 5269462, 10538924, 21077848]

約数ペア:

[(1, 21077848), (2, 10538924), (4, 5269462), (8, 2634731), (11, 1916168), (22, 958084), (44, 479042), (88, 239521)]