21939027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{39107}}^1$

素因数の和:39138

約数の個数: 16

約数和(自身を含む): 33789312

約数和(自身を除く): 11850285

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 39107, 117321, 430177, 664819, 1290531, 1994457, 7313009, 21939027]

約数ペア:

[(1, 21939027), (3, 7313009), (11, 1994457), (17, 1290531), (33, 664819), (51, 430177), (187, 117321), (561, 39107)]