21344072

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25903}}^1$

素因数の和:26012

約数の個数: 16

約数和(自身を含む): 40410240

約数和(自身を除く): 19066168

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25903, 51806, 103612, 207224, 2668009, 5336018, 10672036, 21344072]

約数ペア:

[(1, 21344072), (2, 10672036), (4, 5336018), (8, 2668009), (103, 207224), (206, 103612), (412, 51806), (824, 25903)]