21331458

素因数分解:

$2^1\times 3^3\times {\mathrm{395027}}^1$

素因数の和:395038

約数の個数: 16

約数和(自身を含む): 47403360

約数和(自身を除く): 26071902

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395027, 790054, 1185081, 2370162, 3555243, 7110486, 10665729, 21331458]

約数ペア:

[(1, 21331458), (2, 10665729), (3, 7110486), (6, 3555243), (9, 2370162), (18, 1185081), (27, 790054), (54, 395027)]