21059556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250709}}^1$

素因数の和:250723

約数の個数: 24

約数和(自身を含む): 56159040

約数和(自身を除く): 35099484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250709, 501418, 752127, 1002836, 1504254, 1754963, 3008508, 3509926, 5264889, 7019852, 10529778, 21059556]

約数ペア:

[(1, 21059556), (2, 10529778), (3, 7019852), (4, 5264889), (6, 3509926), (7, 3008508), (12, 1754963), (14, 1504254), (21, 1002836), (28, 752127), (42, 501418), (84, 250709)]