21012666

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 43234560

約数和(自身を除く): 22221894

約数列:

[1, 2, 3, 6, 47, 94, 141, 269, 277, 282, 538, 554, 807, 831, 1614, 1662, 12643, 13019, 25286, 26038, 37929, 39057, 74513, 75858, 78114, 149026, 223539, 447078, 3502111, 7004222, 10506333, 21012666]

約数ペア:

[(1, 21012666), (2, 10506333), (3, 7004222), (6, 3502111), (47, 447078), (94, 223539), (141, 149026), (269, 78114), (277, 75858), (282, 74513), (538, 39057), (554, 37929), (807, 26038), (831, 25286), (1614, 13019), (1662, 12643)]