21419371

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3075029

約数列:

[1, 17, 23, 29, 391, 493, 667, 1889, 11339, 32113, 43447, 54781, 738599, 931277, 1259963, 21419371]

約数ペア:

[(1, 21419371), (17, 1259963), (23, 931277), (29, 738599), (391, 54781), (493, 43447), (667, 32113), (1889, 11339)]