21259512

素因数分解:

$2^3\times 3^2\times {\mathrm{295271}}^1$

素因数の和:295283

約数の個数: 24

約数和(自身を含む): 57578040

約数和(自身を除く): 36318528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295271, 590542, 885813, 1181084, 1771626, 2362168, 2657439, 3543252, 5314878, 7086504, 10629756, 21259512]

約数ペア:

[(1, 21259512), (2, 10629756), (3, 7086504), (4, 5314878), (6, 3543252), (8, 2657439), (9, 2362168), (12, 1771626), (18, 1181084), (24, 885813), (36, 590542), (72, 295271)]