21046629

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{733}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 29806272

約数和(自身を除く): 8759643

約数列:

[1, 3, 17, 51, 563, 733, 1689, 2199, 9571, 12461, 28713, 37383, 412679, 1238037, 7015543, 21046629]

約数ペア:

[(1, 21046629), (3, 7015543), (17, 1238037), (51, 412679), (563, 37383), (733, 28713), (1689, 12461), (2199, 9571)]