21184336

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11717}}^1$

素因数の和:11838

約数の個数: 20

約数和(自身を含む): 41411412

約数和(自身を除く): 20227076

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11717, 23434, 46868, 93736, 187472, 1324021, 2648042, 5296084, 10592168, 21184336]

約数ペア:

[(1, 21184336), (2, 10592168), (4, 5296084), (8, 2648042), (16, 1324021), (113, 187472), (226, 93736), (452, 46868), (904, 23434), (1808, 11717)]