21135762

素因数分解:

$2^1\times 3^3\times {\mathrm{391403}}^1$

素因数の和:391414

約数の個数: 16

約数和(自身を含む): 46968480

約数和(自身を除く): 25832718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391403, 782806, 1174209, 2348418, 3522627, 7045254, 10567881, 21135762]

約数ペア:

[(1, 21135762), (2, 10567881), (3, 7045254), (6, 3522627), (9, 2348418), (18, 1174209), (27, 782806), (54, 391403)]