2021359607729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2467}}^1\times {\mathrm{625943}}^1$

素因数の和:628445

約数の個数: 32

約数和(自身を含む): 2669465880576

約数和(自身を除く): 648106272847

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 2467, 17269, 27137, 41939, 189959, 293573, 461329, 625943, 3229303, 4381601, 6885373, 10641031, 48197611, 74487217, 117051341, 819359387, 1544201381, 10809409667, 16986215191, 26251423477, 118903506337, 183759964339, 288765658247, 2021359607729]

約数ペア:

[(1, 2021359607729), (7, 288765658247), (11, 183759964339), (17, 118903506337), (77, 26251423477), (119, 16986215191), (187, 10809409667), (1309, 1544201381), (2467, 819359387), (17269, 117051341), (27137, 74487217), (41939, 48197611), (189959, 10641031), (293573, 6885373), (461329, 4381601), (625943, 3229303)]