21030064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119489}}^1$

素因数の和:119508

約数の個数: 20

約数和(自身を含む): 44450280

約数和(自身を除く): 23420216

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119489, 238978, 477956, 955912, 1314379, 1911824, 2628758, 5257516, 10515032, 21030064]

約数ペア:

[(1, 21030064), (2, 10515032), (4, 5257516), (8, 2628758), (11, 1911824), (16, 1314379), (22, 955912), (44, 477956), (88, 238978), (176, 119489)]