21882729

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 33477696

約数和(自身を除く): 11594967

約数列:

[1, 3, 11, 23, 33, 69, 121, 253, 363, 759, 2621, 2783, 7863, 8349, 28831, 60283, 86493, 180849, 317141, 663113, 951423, 1989339, 7294243, 21882729]

約数ペア:

[(1, 21882729), (3, 7294243), (11, 1989339), (23, 951423), (33, 663113), (69, 317141), (121, 180849), (253, 86493), (363, 60283), (759, 28831), (2621, 8349), (2783, 7863)]