21526672

素因数分解:

$2^4\times {\mathrm{863}}^1\times {\mathrm{1559}}^1$

素因数の和:2430

約数の個数: 20

約数和(自身を含む): 41783040

約数和(自身を除く): 20256368

約数列:

[1, 2, 4, 8, 16, 863, 1559, 1726, 3118, 3452, 6236, 6904, 12472, 13808, 24944, 1345417, 2690834, 5381668, 10763336, 21526672]

約数ペア:

[(1, 21526672), (2, 10763336), (4, 5381668), (8, 2690834), (16, 1345417), (863, 24944), (1559, 13808), (1726, 12472), (3118, 6904), (3452, 6236)]