2021512775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{863}}^1\times {\mathrm{2179}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 2569121280

約数和(自身を除く): 547608505

約数列:

[1, 5, 25, 43, 215, 863, 1075, 2179, 4315, 10895, 21575, 37109, 54475, 93697, 185545, 468485, 927725, 1880477, 2342425, 9402385, 47011925, 80860511, 404302555, 2021512775]

約数ペア:

[(1, 2021512775), (5, 404302555), (25, 80860511), (43, 47011925), (215, 9402385), (863, 2342425), (1075, 1880477), (2179, 927725), (4315, 468485), (10895, 185545), (21575, 93697), (37109, 54475)]