21584752

素因数分解:

$2^4\times 7^1\times {\mathrm{439}}^2$

素因数の和:893

約数の個数: 30

約数和(自身を含む): 47903928

約数和(自身を除く): 26319176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 439, 878, 1756, 3073, 3512, 6146, 7024, 12292, 24584, 49168, 192721, 385442, 770884, 1349047, 1541768, 2698094, 3083536, 5396188, 10792376, 21584752]

約数ペア:

[(1, 21584752), (2, 10792376), (4, 5396188), (7, 3083536), (8, 2698094), (14, 1541768), (16, 1349047), (28, 770884), (56, 385442), (112, 192721), (439, 49168), (878, 24584), (1756, 12292), (3073, 7024), (3512, 6146)]