21368156967

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3613759}}^1$

素因数の和:3613844

約数の個数: 20

約数和(自身を含む): 32357607040

約数和(自身を除く): 10989450073

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 3613759, 10841277, 32523831, 97571493, 263804407, 292714479, 791413221, 2374239663, 7122718989, 21368156967]

約数ペア:

[(1, 21368156967), (3, 7122718989), (9, 2374239663), (27, 791413221), (73, 292714479), (81, 263804407), (219, 97571493), (657, 32523831), (1971, 10841277), (5913, 3613759)]