2021050135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{1531}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 2730244608

約数和(自身を除く): 709194473

約数列:

[1, 5, 13, 23, 65, 115, 299, 883, 1495, 1531, 4415, 7655, 11479, 19903, 20309, 35213, 57395, 99515, 101545, 176065, 264017, 457769, 1320085, 1351873, 2288845, 6759365, 17574349, 31093079, 87871745, 155465395, 404210027, 2021050135]

約数ペア:

[(1, 2021050135), (5, 404210027), (13, 155465395), (23, 87871745), (65, 31093079), (115, 17574349), (299, 6759365), (883, 2288845), (1495, 1351873), (1531, 1320085), (4415, 457769), (7655, 264017), (11479, 176065), (19903, 101545), (20309, 99515), (35213, 57395)]