21518376

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81509}}^1$

素因数の和:81529

約数の個数: 32

約数和(自身を含む): 58687200

約数和(自身を除く): 37168824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81509, 163018, 244527, 326036, 489054, 652072, 896599, 978108, 1793198, 1956216, 2689797, 3586396, 5379594, 7172792, 10759188, 21518376]

約数ペア:

[(1, 21518376), (2, 10759188), (3, 7172792), (4, 5379594), (6, 3586396), (8, 2689797), (11, 1956216), (12, 1793198), (22, 978108), (24, 896599), (33, 652072), (44, 489054), (66, 326036), (88, 244527), (132, 163018), (264, 81509)]