21670578

素因数分解:

$2^1\times 3^4\times {\mathrm{133769}}^1$

素因数の和:133783

約数の個数: 20

約数和(自身を含む): 48558510

約数和(自身を除く): 26887932

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133769, 267538, 401307, 802614, 1203921, 2407842, 3611763, 7223526, 10835289, 21670578]

約数ペア:

[(1, 21670578), (2, 10835289), (3, 7223526), (6, 3611763), (9, 2407842), (18, 1203921), (27, 802614), (54, 401307), (81, 267538), (162, 133769)]