2021601320

素因数分解:

$2^3\times 5^1\times {\mathrm{50540033}}^1$

素因数の和:50540044

約数の個数: 16

約数和(自身を含む): 4548603060

約数和(自身を除く): 2527001740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50540033, 101080066, 202160132, 252700165, 404320264, 505400330, 1010800660, 2021601320]

約数ペア:

[(1, 2021601320), (2, 1010800660), (4, 505400330), (5, 404320264), (8, 252700165), (10, 202160132), (20, 101080066), (40, 50540033)]