21000859205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{4673}}^1\times {\mathrm{39079}}^1$

素因数の和:43780

約数の個数: 16

約数和(自身を含む): 26303028480

約数和(自身を除く): 5302169275

約数列:

[1, 5, 23, 115, 4673, 23365, 39079, 107479, 195395, 537395, 898817, 4494085, 182616167, 913080835, 4200171841, 21000859205]

約数ペア:

[(1, 21000859205), (5, 4200171841), (23, 913080835), (115, 182616167), (4673, 4494085), (23365, 898817), (39079, 537395), (107479, 195395)]