2021657005

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{36821}}^1$

素因数の和:37044

約数の個数: 16

約数和(自身を含む): 2474438400

約数和(自身を除く): 452781395

約数列:

[1, 5, 79, 139, 395, 695, 10981, 36821, 54905, 184105, 2908859, 5118119, 14544295, 25590595, 404331401, 2021657005]

約数ペア:

[(1, 2021657005), (5, 404331401), (79, 25590595), (139, 14544295), (395, 5118119), (695, 2908859), (10981, 184105), (36821, 54905)]