21303315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43037}}^1$

素因数の和:43059

約数の個数: 24

約数和(自身を含む): 40283568

約数和(自身を除く): 18980253

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43037, 129111, 215185, 387333, 473407, 645555, 1420221, 1936665, 2367035, 4260663, 7101105, 21303315]

約数ペア:

[(1, 21303315), (3, 7101105), (5, 4260663), (9, 2367035), (11, 1936665), (15, 1420221), (33, 645555), (45, 473407), (55, 387333), (99, 215185), (165, 129111), (495, 43037)]