21241297

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14519}}^1$

素因数の和:14556

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 6637103

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14519, 101633, 159709, 275861, 1117963, 1931027, 3034471, 21241297]

約数ペア:

[(1, 21241297), (7, 3034471), (11, 1931027), (19, 1117963), (77, 275861), (133, 159709), (209, 101633), (1463, 14519)]