2021322875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113081}}^1$

素因数の和:113120

約数の個数: 32

約数和(自身を含む): 2963653056

約数和(自身を除く): 942330181

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 17875, 113081, 565405, 1243891, 1470053, 2827025, 6219455, 7350265, 14135125, 16170583, 31097275, 36751325, 80852915, 155486375, 183756625, 404264575, 2021322875]

約数ペア:

[(1, 2021322875), (5, 404264575), (11, 183756625), (13, 155486375), (25, 80852915), (55, 36751325), (65, 31097275), (125, 16170583), (143, 14135125), (275, 7350265), (325, 6219455), (715, 2827025), (1375, 1470053), (1625, 1243891), (3575, 565405), (17875, 113081)]