21066485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22531}}^1$

素因数の和:22564

約数の個数: 16

約数和(自身を含む): 29201472

約数和(自身を除く): 8134987

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22531, 112655, 247841, 383027, 1239205, 1915135, 4213297, 21066485]

約数ペア:

[(1, 21066485), (5, 4213297), (11, 1915135), (17, 1239205), (55, 383027), (85, 247841), (187, 112655), (935, 22531)]