21713879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1399}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 3687721

約数列:

[1, 11, 17, 83, 187, 913, 1399, 1411, 15389, 15521, 23783, 116117, 261613, 1277287, 1973989, 21713879]

約数ペア:

[(1, 21713879), (11, 1973989), (17, 1277287), (83, 261613), (187, 116117), (913, 23783), (1399, 15521), (1411, 15389)]