21235995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42901}}^1$

素因数の和:42923

約数の個数: 24

約数和(自身を含む): 40156272

約数和(自身を除く): 18920277

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42901, 128703, 214505, 386109, 471911, 643515, 1415733, 1930545, 2359555, 4247199, 7078665, 21235995]

約数ペア:

[(1, 21235995), (3, 7078665), (5, 4247199), (9, 2359555), (11, 1930545), (15, 1415733), (33, 643515), (45, 471911), (55, 386109), (99, 214505), (165, 128703), (495, 42901)]