21584043

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61493}}^1$

素因数の和:61515

約数の個数: 16

約数和(自身を含む): 34436640

約数和(自身を除く): 12852597

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61493, 184479, 553437, 799409, 1660311, 2398227, 7194681, 21584043]

約数ペア:

[(1, 21584043), (3, 7194681), (9, 2398227), (13, 1660311), (27, 799409), (39, 553437), (117, 184479), (351, 61493)]