2021140825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{170921}}^1$

素因数の和:170985

約数の個数: 24

約数和(自身を含む): 2797651296

約数和(自身を除く): 776510471

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 2365, 11825, 170921, 854605, 1880131, 4273025, 7349603, 9400655, 36748015, 47003275, 80845633, 183740075, 404228165, 2021140825]

約数ペア:

[(1, 2021140825), (5, 404228165), (11, 183740075), (25, 80845633), (43, 47003275), (55, 36748015), (215, 9400655), (275, 7349603), (473, 4273025), (1075, 1880131), (2365, 854605), (11825, 170921)]