21788778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{330133}}^1$

素因数の和:330149

約数の個数: 16

約数和(自身を含む): 47539296

約数和(自身を除く): 25750518

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 330133, 660266, 990399, 1980798, 3631463, 7262926, 10894389, 21788778]

約数ペア:

[(1, 21788778), (2, 10894389), (3, 7262926), (6, 3631463), (11, 1980798), (22, 990399), (33, 660266), (66, 330133)]