2021849765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{393739}}^1$

素因数の和:393836

約数の個数: 16

約数和(自身を含む): 2645932800

約数和(自身を除く): 624083035

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 393739, 1968695, 5118607, 25593035, 31105381, 155526905, 404369953, 2021849765]

約数ペア:

[(1, 2021849765), (5, 404369953), (13, 155526905), (65, 31105381), (79, 25593035), (395, 5118607), (1027, 1968695), (5135, 393739)]