21000974048

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8990143}}^1$

素因数の和:8990226

約数の個数: 24

約数和(自身を含む): 41912051328

約数和(自身を除く): 20911077280

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8990143, 17980286, 35960572, 71921144, 143842288, 287684576, 656280439, 1312560878, 2625121756, 5250243512, 10500487024, 21000974048]

約数ペア:

[(1, 21000974048), (2, 10500487024), (4, 5250243512), (8, 2625121756), (16, 1312560878), (32, 656280439), (73, 287684576), (146, 143842288), (292, 71921144), (584, 35960572), (1168, 17980286), (2336, 8990143)]