21087429

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37589}}^1$

素因数の和:37620

約数の個数: 16

約数和(自身を含む): 32477760

約数和(自身を除く): 11390331

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37589, 112767, 413479, 639013, 1240437, 1917039, 7029143, 21087429]

約数ペア:

[(1, 21087429), (3, 7029143), (11, 1917039), (17, 1240437), (33, 639013), (51, 413479), (187, 112767), (561, 37589)]