2021067824

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1779109}}^1$

素因数の和:1779188

約数の個数: 20

約数和(自身を含む): 3970973520

約数和(自身を除く): 1949905696

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1779109, 3558218, 7116436, 14232872, 28465744, 126316739, 252633478, 505266956, 1010533912, 2021067824]

約数ペア:

[(1, 2021067824), (2, 1010533912), (4, 505266956), (8, 252633478), (16, 126316739), (71, 28465744), (142, 14232872), (284, 7116436), (568, 3558218), (1136, 1779109)]