21037082859

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1619857}}^1$

素因数の和:1619916

約数の個数: 32

約数和(自身を含む): 34470578240

約数和(自身を除く): 13433495381

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 1619857, 4859571, 14578713, 21058141, 43736139, 59934709, 63174423, 179804127, 189523269, 539412381, 568569807, 779151217, 1618237143, 2337453651, 7012360953, 21037082859]

約数ペア:

[(1, 21037082859), (3, 7012360953), (9, 2337453651), (13, 1618237143), (27, 779151217), (37, 568569807), (39, 539412381), (111, 189523269), (117, 179804127), (333, 63174423), (351, 59934709), (481, 43736139), (999, 21058141), (1443, 14578713), (4329, 4859571), (12987, 1619857)]