21056550053

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{10247}}^1\times {\mathrm{26687}}^1$

素因数の和:36952

約数の個数: 16

約数和(自身を含む): 26255867904

約数和(自身を除く): 5199317851

約数列:

[1, 7, 11, 77, 10247, 26687, 71729, 112717, 186809, 293557, 789019, 2054899, 273461689, 1914231823, 3008078579, 21056550053]

約数ペア:

[(1, 21056550053), (7, 3008078579), (11, 1914231823), (77, 273461689), (10247, 2054899), (26687, 789019), (71729, 293557), (112717, 186809)]