21086314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1061}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 33389280

約数和(自身を除く): 12302966

約数列:

[1, 2, 19, 38, 523, 1046, 1061, 2122, 9937, 19874, 20159, 40318, 554903, 1109806, 10543157, 21086314]

約数ペア:

[(1, 21086314), (2, 10543157), (19, 1109806), (38, 554903), (523, 40318), (1046, 20159), (1061, 19874), (2122, 9937)]