21132304

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12823}}^1$

素因数の和:12934

約数の個数: 20

約数和(自身を含む): 41344576

約数和(自身を除く): 20212272

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12823, 25646, 51292, 102584, 205168, 1320769, 2641538, 5283076, 10566152, 21132304]

約数ペア:

[(1, 21132304), (2, 10566152), (4, 5283076), (8, 2641538), (16, 1320769), (103, 205168), (206, 102584), (412, 51292), (824, 25646), (1648, 12823)]