21570059

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4421}}^1$

素因数の和:4486

約数の個数: 16

約数和(自身を含む): 26744256

約数和(自身を除く): 5174197

約数列:

[1, 7, 17, 41, 119, 287, 697, 4421, 4879, 30947, 75157, 181261, 526099, 1268827, 3081437, 21570059]

約数ペア:

[(1, 21570059), (7, 3081437), (17, 1268827), (41, 526099), (119, 181261), (287, 75157), (697, 30947), (4421, 4879)]