21422842

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80537}}^1$

素因数の和:80565

約数の個数: 16

約数和(自身を含む): 38658240

約数和(自身を除く): 17235398

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80537, 161074, 563759, 1127518, 1530203, 3060406, 10711421, 21422842]

約数ペア:

[(1, 21422842), (2, 10711421), (7, 3060406), (14, 1530203), (19, 1127518), (38, 563759), (133, 161074), (266, 80537)]