21342574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42179}}^1$

素因数の和:42215

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 15100946

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42179, 84358, 463969, 927938, 970117, 1940234, 10671287, 21342574]

約数ペア:

[(1, 21342574), (2, 10671287), (11, 1940234), (22, 970117), (23, 927938), (46, 463969), (253, 84358), (506, 42179)]