21475242

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17807}}^1$

素因数の和:17882

約数の個数: 24

約数和(自身を含む): 47226816

約数和(自身を除く): 25751574

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17807, 35614, 53421, 106842, 160263, 320526, 1193069, 2386138, 3579207, 7158414, 10737621, 21475242]

約数ペア:

[(1, 21475242), (2, 10737621), (3, 7158414), (6, 3579207), (9, 2386138), (18, 1193069), (67, 320526), (134, 160263), (201, 106842), (402, 53421), (603, 35614), (1206, 17807)]