21344999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 24460800

約数和(自身を除く): 3115801

約数列:

[1, 13, 19, 103, 247, 839, 1339, 1957, 10907, 15941, 25441, 86417, 207233, 1123421, 1641923, 21344999]

約数ペア:

[(1, 21344999), (13, 1641923), (19, 1123421), (103, 207233), (247, 86417), (839, 25441), (1339, 15941), (1957, 10907)]