21550072

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{26153}}^1$

素因数の和:26262

約数の個数: 16

約数和(自身を含む): 40800240

約数和(自身を除く): 19250168

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 26153, 52306, 104612, 209224, 2693759, 5387518, 10775036, 21550072]

約数ペア:

[(1, 21550072), (2, 10775036), (4, 5387518), (8, 2693759), (103, 209224), (206, 104612), (412, 52306), (824, 26153)]