21852105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132437}}^1$

素因数の和:132456

約数の個数: 16

約数和(自身を含む): 38142144

約数和(自身を除く): 16290039

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132437, 397311, 662185, 1456807, 1986555, 4370421, 7284035, 21852105]

約数ペア:

[(1, 21852105), (3, 7284035), (5, 4370421), (11, 1986555), (15, 1456807), (33, 662185), (55, 397311), (165, 132437)]