21083733

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23663}}^1$

素因数の和:23686

約数の個数: 20

約数和(自身を含む): 34360128

約数和(自身を除く): 13276395

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23663, 70989, 212967, 260293, 638901, 780879, 1916703, 2342637, 7027911, 21083733]

約数ペア:

[(1, 21083733), (3, 7027911), (9, 2342637), (11, 1916703), (27, 780879), (33, 638901), (81, 260293), (99, 212967), (297, 70989), (891, 23663)]