21991002

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{333197}}^1$

素因数の和:333213

約数の個数: 16

約数和(自身を含む): 47980512

約数和(自身を除く): 25989510

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 333197, 666394, 999591, 1999182, 3665167, 7330334, 10995501, 21991002]

約数ペア:

[(1, 21991002), (2, 10995501), (3, 7330334), (6, 3665167), (11, 1999182), (22, 999591), (33, 666394), (66, 333197)]