2021847724

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{2990899}}^1$

素因数の和:2990929

約数の個数: 18

約数和(自身を含む): 3831342900

約数和(自身を除く): 1809495176

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2990899, 5981798, 11963596, 38881687, 77763374, 155526748, 505461931, 1010923862, 2021847724]

約数ペア:

[(1, 2021847724), (2, 1010923862), (4, 505461931), (13, 155526748), (26, 77763374), (52, 38881687), (169, 11963596), (338, 5981798), (676, 2990899)]