21154472

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6311}}^1$

素因数の和:6736

約数の個数: 16

約数和(自身を含む): 39765600

約数和(自身を除く): 18611128

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6311, 12622, 25244, 50488, 2644309, 5288618, 10577236, 21154472]

約数ペア:

[(1, 21154472), (2, 10577236), (4, 5288618), (8, 2644309), (419, 50488), (838, 25244), (1676, 12622), (3352, 6311)]