21000751204

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{128053361}}^1$

素因数の和:128053406

約数の個数: 12

約数和(自身を含む): 37647688428

約数和(自身を除く): 16646937224

約数列:

[1, 2, 4, 41, 82, 164, 128053361, 256106722, 512213444, 5250187801, 10500375602, 21000751204]

約数ペア:

[(1, 21000751204), (2, 10500375602), (4, 5250187801), (41, 512213444), (82, 256106722), (164, 128053361)]