21214521

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46219}}^1$

素因数の和:46245

約数の個数: 16

約数和(自身を含む): 33278400

約数和(自身を除く): 12063879

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46219, 138657, 415971, 785723, 1247913, 2357169, 7071507, 21214521]

約数ペア:

[(1, 21214521), (3, 7071507), (9, 2357169), (17, 1247913), (27, 785723), (51, 415971), (153, 138657), (459, 46219)]