21274286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4583}}^1$

素因数の和:4807

約数の個数: 16

約数和(自身を含む): 34985088

約数和(自身を除く): 13710802

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4583, 4642, 9166, 50413, 100826, 967013, 1934026, 10637143, 21274286]

約数ペア:

[(1, 21274286), (2, 10637143), (11, 1934026), (22, 967013), (211, 100826), (422, 50413), (2321, 9166), (4583, 4642)]