21806834

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{37991}}^1$

素因数の和:38041

約数の個数: 16

約数和(自身を含む): 38295936

約数和(自身を除く): 16489102

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 37991, 75982, 265937, 531874, 1557631, 3115262, 10903417, 21806834]

約数ペア:

[(1, 21806834), (2, 10903417), (7, 3115262), (14, 1557631), (41, 531874), (82, 265937), (287, 75982), (574, 37991)]