21031522

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1913}}^1$

素因数の和:2177

約数の個数: 16

約数和(自身を含む): 33073920

約数和(自身を除く): 12042398

約数列:

[1, 2, 23, 46, 239, 478, 1913, 3826, 5497, 10994, 43999, 87998, 457207, 914414, 10515761, 21031522]

約数ペア:

[(1, 21031522), (2, 10515761), (23, 914414), (46, 457207), (239, 87998), (478, 43999), (1913, 10994), (3826, 5497)]