21305834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{1439}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 34940160

約数和(自身を除く): 13634326

約数列:

[1, 2, 11, 22, 673, 1346, 1439, 2878, 7403, 14806, 15829, 31658, 968447, 1936894, 10652917, 21305834]

約数ペア:

[(1, 21305834), (2, 10652917), (11, 1936894), (22, 968447), (673, 31658), (1346, 15829), (1439, 14806), (2878, 7403)]