21196653695

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1\times {\mathrm{4783}}^1$

素因数の和:5919

約数の個数: 32

約数和(自身を含む): 29334110208

約数和(自身を除く): 8137456513

約数列:

[1, 5, 7, 35, 127, 635, 889, 997, 4445, 4783, 4985, 6979, 23915, 33481, 34895, 126619, 167405, 607441, 633095, 886333, 3037205, 4252087, 4431665, 4768651, 21260435, 23843255, 33380557, 166902785, 605618677, 3028093385, 4239330739, 21196653695]

約数ペア:

[(1, 21196653695), (5, 4239330739), (7, 3028093385), (35, 605618677), (127, 166902785), (635, 33380557), (889, 23843255), (997, 21260435), (4445, 4768651), (4783, 4431665), (4985, 4252087), (6979, 3037205), (23915, 886333), (33481, 633095), (34895, 607441), (126619, 167405)]