2021235713

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1\times {\mathrm{5449}}^1$

素因数の和:8264

約数の個数: 16

約数和(自身を含む): 2432880000

約数和(自身を除く): 411644287

約数列:

[1, 7, 19, 133, 2789, 5449, 19523, 38143, 52991, 103531, 370937, 724717, 15197261, 106380827, 288747959, 2021235713]

約数ペア:

[(1, 2021235713), (7, 288747959), (19, 106380827), (133, 15197261), (2789, 724717), (5449, 370937), (19523, 103531), (38143, 52991)]