21054297

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4657}}^1$

素因数の和:4808

約数の個数: 16

約数和(自身を含む): 30854592

約数和(自身を除く): 9800295

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 4657, 13971, 51227, 153681, 638009, 1914027, 7018099, 21054297]

約数ペア:

[(1, 21054297), (3, 7018099), (11, 1914027), (33, 638009), (137, 153681), (411, 51227), (1507, 13971), (4521, 4657)]