21401149

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2297}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 26914176

約数和(自身を除く): 5513027

約数列:

[1, 7, 11, 77, 121, 847, 1331, 2297, 9317, 16079, 25267, 176869, 277937, 1945559, 3057307, 21401149]

約数ペア:

[(1, 21401149), (7, 3057307), (11, 1945559), (77, 277937), (121, 176869), (847, 25267), (1331, 16079), (2297, 9317)]