2021100579

素因数分解:

$3^4\times {\mathrm{2281}}^1\times {\mathrm{10939}}^1$

素因数の和:13232

約数の個数: 20

約数和(自身を含む): 3020774680

約数和(自身を除く): 999674101

約数列:

[1, 3, 9, 27, 81, 2281, 6843, 10939, 20529, 32817, 61587, 98451, 184761, 295353, 886059, 24951859, 74855577, 224566731, 673700193, 2021100579]

約数ペア:

[(1, 2021100579), (3, 673700193), (9, 224566731), (27, 74855577), (81, 24951859), (2281, 886059), (6843, 295353), (10939, 184761), (20529, 98451), (32817, 61587)]