21042963

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19009}}^1$

素因数の和:19059

約数の個数: 16

約数和(自身を含む): 31936800

約数和(自身を除く): 10893837

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19009, 57027, 171081, 513243, 779369, 2338107, 7014321, 21042963]

約数ペア:

[(1, 21042963), (3, 7014321), (9, 2338107), (27, 779369), (41, 513243), (123, 171081), (369, 57027), (1107, 19009)]