21299399

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 24622080

約数和(自身を除く): 3322681

約数列:

[1, 11, 19, 209, 223, 457, 2453, 4237, 5027, 8683, 46607, 95513, 101911, 1121021, 1936309, 21299399]

約数ペア:

[(1, 21299399), (11, 1936309), (19, 1121021), (209, 101911), (223, 95513), (457, 46607), (2453, 8683), (4237, 5027)]