21448042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139273}}^1$

素因数の和:139293

約数の個数: 16

約数和(自身を含む): 40110912

約数和(自身を除く): 18662870

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139273, 278546, 974911, 1532003, 1949822, 3064006, 10724021, 21448042]

約数ペア:

[(1, 21448042), (2, 10724021), (7, 3064006), (11, 1949822), (14, 1532003), (22, 974911), (77, 278546), (154, 139273)]