2021203795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{349387}}^1$

素因数の和:349494

約数の個数: 16

約数和(自身を含む): 2641373280

約数和(自身を除く): 620169485

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 349387, 1746935, 4542031, 22710155, 31095443, 155477215, 404240759, 2021203795]

約数ペア:

[(1, 2021203795), (5, 404240759), (13, 155477215), (65, 31095443), (89, 22710155), (445, 4542031), (1157, 1746935), (5785, 349387)]