2021559981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{138113}}^1$

素因数の和:138181

約数の個数: 32

約数和(自身を含む): 3341253888

約数和(自身を除く): 1319693907

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 14637, 138113, 414339, 966791, 2347921, 2900373, 5662633, 7043763, 16435447, 16987899, 39638431, 49306341, 96264761, 118915293, 288794283, 673853327, 2021559981]

約数ペア:

[(1, 2021559981), (3, 673853327), (7, 288794283), (17, 118915293), (21, 96264761), (41, 49306341), (51, 39638431), (119, 16987899), (123, 16435447), (287, 7043763), (357, 5662633), (697, 2900373), (861, 2347921), (2091, 966791), (4879, 414339), (14637, 138113)]