21552310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{859}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 42043680

約数和(自身を除く): 20491370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 859, 965, 1718, 1930, 2509, 4295, 5018, 8590, 11167, 12545, 22334, 25090, 55835, 111670, 165787, 331574, 828935, 1657870, 2155231, 4310462, 10776155, 21552310]

約数ペア:

[(1, 21552310), (2, 10776155), (5, 4310462), (10, 2155231), (13, 1657870), (26, 828935), (65, 331574), (130, 165787), (193, 111670), (386, 55835), (859, 25090), (965, 22334), (1718, 12545), (1930, 11167), (2509, 8590), (4295, 5018)]