21282878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{947}}^1$

素因数の和:1627

約数の個数: 16

約数和(自身を含む): 33889104

約数和(自身を除く): 12606226

約数列:

[1, 2, 17, 34, 661, 947, 1322, 1894, 11237, 16099, 22474, 32198, 625967, 1251934, 10641439, 21282878]

約数ペア:

[(1, 21282878), (2, 10641439), (17, 1251934), (34, 625967), (661, 32198), (947, 22474), (1322, 16099), (1894, 11237)]