21106588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3929}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 39614400

約数和(自身を除く): 18507812

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 3929, 5372, 7858, 15716, 66793, 133586, 267172, 310391, 620782, 1241564, 5276647, 10553294, 21106588]

約数ペア:

[(1, 21106588), (2, 10553294), (4, 5276647), (17, 1241564), (34, 620782), (68, 310391), (79, 267172), (158, 133586), (316, 66793), (1343, 15716), (2686, 7858), (3929, 5372)]