21466159

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3558

約数の個数: 16

約数和(自身を含む): 25812864

約数和(自身を除く): 4346705

約数列:

[1, 11, 13, 43, 143, 473, 559, 3491, 6149, 38401, 45383, 150113, 499213, 1651243, 1951469, 21466159]

約数ペア:

[(1, 21466159), (11, 1951469), (13, 1651243), (43, 499213), (143, 150113), (473, 45383), (559, 38401), (3491, 6149)]