2021796010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1196329}}^1$

素因数の和:1196362

約数の個数: 24

約数和(自身を含む): 3940711020

約数和(自身を除く): 1918915010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 1196329, 2392658, 5981645, 11963290, 15552277, 31104554, 77761385, 155522770, 202179601, 404359202, 1010898005, 2021796010]

約数ペア:

[(1, 2021796010), (2, 1010898005), (5, 404359202), (10, 202179601), (13, 155522770), (26, 77761385), (65, 31104554), (130, 15552277), (169, 11963290), (338, 5981645), (845, 2392658), (1690, 1196329)]