21963366

素因数分解:

$2^1\times 3^3\times {\mathrm{406729}}^1$

素因数の和:406740

約数の個数: 16

約数和(自身を含む): 48807600

約数和(自身を除く): 26844234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406729, 813458, 1220187, 2440374, 3660561, 7321122, 10981683, 21963366]

約数ペア:

[(1, 21963366), (2, 10981683), (3, 7321122), (6, 3660561), (9, 2440374), (18, 1220187), (27, 813458), (54, 406729)]