21125577

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37657}}^1$

素因数の和:37688

約数の個数: 16

約数和(自身を含む): 32536512

約数和(自身を除く): 11410935

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37657, 112971, 414227, 640169, 1242681, 1920507, 7041859, 21125577]

約数ペア:

[(1, 21125577), (3, 7041859), (11, 1920507), (17, 1242681), (33, 640169), (51, 414227), (187, 112971), (561, 37657)]