21112729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 23821056

約数和(自身を除く): 2708327

約数列:

[1, 11, 47, 97, 421, 517, 1067, 4559, 4631, 19787, 40837, 50149, 217657, 449207, 1919339, 21112729]

約数ペア:

[(1, 21112729), (11, 1919339), (47, 449207), (97, 217657), (421, 50149), (517, 40837), (1067, 19787), (4559, 4631)]