21194426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1489}}^1$

素因数の和:2149

約数の個数: 16

約数和(自身を含む): 34758720

約数和(自身を除く): 13564294

約数列:

[1, 2, 11, 22, 647, 1294, 1489, 2978, 7117, 14234, 16379, 32758, 963383, 1926766, 10597213, 21194426]

約数ペア:

[(1, 21194426), (2, 10597213), (11, 1926766), (22, 963383), (647, 32758), (1294, 16379), (1489, 14234), (2978, 7117)]