21135138

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49613}}^1$

素因数の和:49689

約数の個数: 16

約数和(自身を含む): 42866496

約数和(自身を除く): 21731358

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49613, 99226, 148839, 297678, 3522523, 7045046, 10567569, 21135138]

約数ペア:

[(1, 21135138), (2, 10567569), (3, 7045046), (6, 3522523), (71, 297678), (142, 148839), (213, 99226), (426, 49613)]