21149139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37699}}^1$

素因数の和:37730

約数の個数: 16

約数和(自身を含む): 32572800

約数和(自身を除く): 11423661

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37699, 113097, 414689, 640883, 1244067, 1922649, 7049713, 21149139]

約数ペア:

[(1, 21149139), (3, 7049713), (11, 1922649), (17, 1244067), (33, 640883), (51, 414689), (187, 113097), (561, 37699)]