21650027

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 26813952

約数和(自身を除く): 5163925

約数列:

[1, 7, 17, 43, 119, 301, 731, 4231, 5117, 29617, 71927, 181933, 503489, 1273531, 3092861, 21650027]

約数ペア:

[(1, 21650027), (7, 3092861), (17, 1273531), (43, 503489), (119, 181933), (301, 71927), (731, 29617), (4231, 5117)]