21257192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241559}}^1$

素因数の和:241576

約数の個数: 16

約数和(自身を含む): 43480800

約数和(自身を除く): 22223608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241559, 483118, 966236, 1932472, 2657149, 5314298, 10628596, 21257192]

約数ペア:

[(1, 21257192), (2, 10628596), (4, 5314298), (8, 2657149), (11, 1932472), (22, 966236), (44, 483118), (88, 241559)]