21537318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{326323}}^1$

素因数の和:326339

約数の個数: 16

約数和(自身を含む): 46990656

約数和(自身を除く): 25453338

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 326323, 652646, 978969, 1957938, 3589553, 7179106, 10768659, 21537318]

約数ペア:

[(1, 21537318), (2, 10768659), (3, 7179106), (6, 3589553), (11, 1957938), (22, 978969), (33, 652646), (66, 326323)]