21365337

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8011}}^1$

素因数の和:8148

約数の個数: 16

約数和(自身を含む): 32817152

約数和(自身を除く): 11451815

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 8011, 24033, 56077, 168231, 1017397, 3052191, 7121779, 21365337]

約数ペア:

[(1, 21365337), (3, 7121779), (7, 3052191), (21, 1017397), (127, 168231), (381, 56077), (889, 24033), (2667, 8011)]