21105847143

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{4001}}^1\times {\mathrm{11059}}^1$

素因数の和:15119

約数の個数: 24

約数和(自身を含む): 31072008240

約数和(自身を除く): 9966161097

約数列:

[1, 3, 9, 53, 159, 477, 4001, 11059, 12003, 33177, 36009, 99531, 212053, 586127, 636159, 1758381, 1908477, 5275143, 44247059, 132741177, 398223531, 2345094127, 7035282381, 21105847143]

約数ペア:

[(1, 21105847143), (3, 7035282381), (9, 2345094127), (53, 398223531), (159, 132741177), (477, 44247059), (4001, 5275143), (11059, 1908477), (12003, 1758381), (33177, 636159), (36009, 586127), (99531, 212053)]