21855543

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4339}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 30831360

約数和(自身を除く): 8975817

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4339, 5037, 13017, 99797, 299391, 316747, 950241, 7285181, 21855543]

約数ペア:

[(1, 21855543), (3, 7285181), (23, 950241), (69, 316747), (73, 299391), (219, 99797), (1679, 13017), (4339, 5037)]