21518783

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5189}}^1$

素因数の和:5242

約数の個数: 16

約数和(自身を含む): 26157600

約数和(自身を除く): 4638817

約数列:

[1, 11, 13, 29, 143, 319, 377, 4147, 5189, 57079, 67457, 150481, 742027, 1655291, 1956253, 21518783]

約数ペア:

[(1, 21518783), (11, 1956253), (13, 1655291), (29, 742027), (143, 150481), (319, 67457), (377, 57079), (4147, 5189)]