21162273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15641}}^1$

素因数の和:15696

約数の個数: 16

約数和(自身を含む): 31534272

約数和(自身を除く): 10371999

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15641, 46923, 172051, 516153, 641281, 1923843, 7054091, 21162273]

約数ペア:

[(1, 21162273), (3, 7054091), (11, 1923843), (33, 641281), (41, 516153), (123, 172051), (451, 46923), (1353, 15641)]