21276574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2203}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 34911360

約数和(自身を除く): 13634786

約数列:

[1, 2, 11, 22, 439, 878, 2203, 4406, 4829, 9658, 24233, 48466, 967117, 1934234, 10638287, 21276574]

約数ペア:

[(1, 21276574), (2, 10638287), (11, 1934234), (22, 967117), (439, 48466), (878, 24233), (2203, 9658), (4406, 4829)]