21114087

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 29783376

約数和(自身を除く): 8669289

約数列:

[1, 3, 37, 53, 97, 111, 159, 291, 1369, 1961, 3589, 4107, 5141, 5883, 10767, 15423, 72557, 132793, 190217, 217671, 398379, 570651, 7038029, 21114087]

約数ペア:

[(1, 21114087), (3, 7038029), (37, 570651), (53, 398379), (97, 217671), (111, 190217), (159, 132793), (291, 72557), (1369, 15423), (1961, 10767), (3589, 5883), (4107, 5141)]