21685260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361421}}^1$

素因数の和:361433

約数の個数: 24

約数和(自身を含む): 60718896

約数和(自身を除く): 39033636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361421, 722842, 1084263, 1445684, 1807105, 2168526, 3614210, 4337052, 5421315, 7228420, 10842630, 21685260]

約数ペア:

[(1, 21685260), (2, 10842630), (3, 7228420), (4, 5421315), (5, 4337052), (6, 3614210), (10, 2168526), (12, 1807105), (15, 1445684), (20, 1084263), (30, 722842), (60, 361421)]