21058707

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9011}}^1$

素因数の和:9074

約数の個数: 16

約数和(自身を含む): 30280320

約数和(自身を除く): 9221613

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 9011, 27033, 171209, 369451, 513627, 1108353, 7019569, 21058707]

約数ペア:

[(1, 21058707), (3, 7019569), (19, 1108353), (41, 513627), (57, 369451), (123, 171209), (779, 27033), (2337, 9011)]