21549489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32503}}^1$

素因数の和:32536

約数の個数: 16

約数和(自身を含む): 32764032

約数和(自身を除く): 11214543

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 32503, 97509, 422539, 552551, 1267617, 1657653, 7183163, 21549489]

約数ペア:

[(1, 21549489), (3, 7183163), (13, 1657653), (17, 1267617), (39, 552551), (51, 422539), (221, 97509), (663, 32503)]