21097079654

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5818279}}^1$

素因数の和:5818332

約数の個数: 24

約数和(自身を含む): 37807183440

約数和(自身を除く): 16710103786

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5818279, 11636558, 40727953, 81455906, 215276323, 285095671, 430552646, 570191342, 1506934261, 3013868522, 10548539827, 21097079654]

約数ペア:

[(1, 21097079654), (2, 10548539827), (7, 3013868522), (14, 1506934261), (37, 570191342), (49, 430552646), (74, 285095671), (98, 215276323), (259, 81455906), (518, 40727953), (1813, 11636558), (3626, 5818279)]