21884344

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40829}}^1$

素因数の和:40902

約数の個数: 16

約数和(自身を含む): 41646600

約数和(自身を除く): 19762256

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40829, 81658, 163316, 326632, 2735543, 5471086, 10942172, 21884344]

約数ペア:

[(1, 21884344), (2, 10942172), (4, 5471086), (8, 2735543), (67, 326632), (134, 163316), (268, 81658), (536, 40829)]