21204931

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 3505469

約数列:

[1, 11, 19, 71, 209, 781, 1349, 1429, 14839, 15719, 27151, 101459, 298661, 1116049, 1927721, 21204931]

約数ペア:

[(1, 21204931), (11, 1927721), (19, 1116049), (71, 298661), (209, 101459), (781, 27151), (1349, 15719), (1429, 14839)]