21182746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18947}}^1$

素因数の和:19005

約数の個数: 16

約数和(自身を含む): 35015904

約数和(自身を除く): 13833158

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18947, 37894, 246311, 492622, 814721, 1629442, 10591373, 21182746]

約数ペア:

[(1, 21182746), (2, 10591373), (13, 1629442), (26, 814721), (43, 492622), (86, 246311), (559, 37894), (1118, 18947)]