21342988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2053}}^1$

素因数の和:2193

約数の個数: 24

約数和(自身を含む): 39338208

約数和(自身を除く): 17995220

約数列:

[1, 2, 4, 23, 46, 92, 113, 226, 452, 2053, 2599, 4106, 5198, 8212, 10396, 47219, 94438, 188876, 231989, 463978, 927956, 5335747, 10671494, 21342988]

約数ペア:

[(1, 21342988), (2, 10671494), (4, 5335747), (23, 927956), (46, 463978), (92, 231989), (113, 188876), (226, 94438), (452, 47219), (2053, 10396), (2599, 8212), (4106, 5198)]