2021129825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10667}}^1$

素因数の和:10754

約数の個数: 48

約数和(自身を含む): 3000182976

約数和(自身を除く): 979053151

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 143, 265, 275, 325, 583, 689, 715, 1325, 2915, 3445, 3575, 7579, 10667, 14575, 17225, 37895, 53335, 117337, 138671, 189475, 266675, 565351, 586685, 693355, 1525381, 2826755, 2933425, 3466775, 6218861, 7349563, 7626905, 14133775, 31094305, 36747815, 38134525, 80845193, 155471525, 183739075, 404225965, 2021129825]

約数ペア:

[(1, 2021129825), (5, 404225965), (11, 183739075), (13, 155471525), (25, 80845193), (53, 38134525), (55, 36747815), (65, 31094305), (143, 14133775), (265, 7626905), (275, 7349563), (325, 6218861), (583, 3466775), (689, 2933425), (715, 2826755), (1325, 1525381), (2915, 693355), (3445, 586685), (3575, 565351), (7579, 266675), (10667, 189475), (14575, 138671), (17225, 117337), (37895, 53335)]