21690414

素因数分解:

$2^1\times 3^2\times {\mathrm{769}}^1\times {\mathrm{1567}}^1$

素因数の和:2344

約数の個数: 24

約数和(自身を含む): 47087040

約数和(自身を除く): 25396626

約数列:

[1, 2, 3, 6, 9, 18, 769, 1538, 1567, 2307, 3134, 4614, 4701, 6921, 9402, 13842, 14103, 28206, 1205023, 2410046, 3615069, 7230138, 10845207, 21690414]

約数ペア:

[(1, 21690414), (2, 10845207), (3, 7230138), (6, 3615069), (9, 2410046), (18, 1205023), (769, 28206), (1538, 14103), (1567, 13842), (2307, 9402), (3134, 6921), (4614, 4701)]