21710943

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{25939}}^1$

素因数の和:25979

約数の個数: 16

約数和(自身を含む): 33203200

約数和(自身を除く): 11492257

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 25939, 77817, 233451, 700353, 804109, 2412327, 7236981, 21710943]

約数ペア:

[(1, 21710943), (3, 7236981), (9, 2412327), (27, 804109), (31, 700353), (93, 233451), (279, 77817), (837, 25939)]