21457227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15859}}^1$

素因数の和:15914

約数の個数: 16

約数和(自身を含む): 31973760

約数和(自身を除く): 10516533

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15859, 47577, 174449, 523347, 650219, 1950657, 7152409, 21457227]

約数ペア:

[(1, 21457227), (3, 7152409), (11, 1950657), (33, 650219), (41, 523347), (123, 174449), (451, 47577), (1353, 15859)]