21412589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 2779411

約数列:

[1, 11, 47, 83, 499, 517, 913, 3901, 5489, 23453, 41417, 42911, 257983, 455587, 1946599, 21412589]

約数ペア:

[(1, 21412589), (11, 1946599), (47, 455587), (83, 257983), (499, 42911), (517, 41417), (913, 23453), (3901, 5489)]