21167139147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{264071}}^1$

素因数の和:264439

約数の個数: 32

約数和(自身を含む): 35288469504

約数和(自身を除く): 14121330357

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 347, 1041, 2429, 3817, 7287, 11451, 26719, 80157, 264071, 792213, 1848497, 2904781, 5545491, 8714343, 20333467, 61000401, 91632637, 274897911, 641428459, 1007959007, 1924285377, 3023877021, 7055713049, 21167139147]

約数ペア:

[(1, 21167139147), (3, 7055713049), (7, 3023877021), (11, 1924285377), (21, 1007959007), (33, 641428459), (77, 274897911), (231, 91632637), (347, 61000401), (1041, 20333467), (2429, 8714343), (3817, 5545491), (7287, 2904781), (11451, 1848497), (26719, 792213), (80157, 264071)]