21001842

素因数分解:

$2^1\times 3^4\times {\mathrm{129641}}^1$

素因数の和:129655

約数の個数: 20

約数和(自身を含む): 47060046

約数和(自身を除く): 26058204

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129641, 259282, 388923, 777846, 1166769, 2333538, 3500307, 7000614, 10500921, 21001842]

約数ペア:

[(1, 21001842), (2, 10500921), (3, 7000614), (6, 3500307), (9, 2333538), (18, 1166769), (27, 777846), (54, 388923), (81, 259282), (162, 129641)]