21074713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3419687

約数列:

[1, 11, 17, 187, 251, 449, 2761, 4267, 4939, 7633, 46937, 83963, 112699, 1239689, 1915883, 21074713]

約数ペア:

[(1, 21074713), (11, 1915883), (17, 1239689), (187, 112699), (251, 83963), (449, 46937), (2761, 7633), (4267, 4939)]