21010803

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{57881}}^1$

素因数の和:57906

約数の個数: 12

約数和(自身を含む): 30793224

約数和(自身を除く): 9782421

約数列:

[1, 3, 11, 33, 121, 363, 57881, 173643, 636691, 1910073, 7003601, 21010803]

約数ペア:

[(1, 21010803), (3, 7003601), (11, 1910073), (33, 636691), (121, 173643), (363, 57881)]