21648561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6131}}^1$

素因数の和:6252

約数の個数: 16

約数和(自身を含む): 31788288

約数和(自身を除く): 10139727

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 6131, 18393, 67441, 202323, 656017, 1968051, 7216187, 21648561]

約数ペア:

[(1, 21648561), (3, 7216187), (11, 1968051), (33, 656017), (107, 202323), (321, 67441), (1177, 18393), (3531, 6131)]