21715696653

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{65287}}^1$

素因数の和:65681

約数の個数: 32

約数和(自身を含む): 33895440384

約数和(自身を除く): 12179743731

約数列:

[1, 3, 7, 21, 47, 141, 329, 337, 987, 1011, 2359, 7077, 15839, 47517, 65287, 110873, 195861, 332619, 457009, 1371027, 3068489, 9205467, 21479423, 22001719, 64438269, 66005157, 154012033, 462036099, 1034080793, 3102242379, 7238565551, 21715696653]

約数ペア:

[(1, 21715696653), (3, 7238565551), (7, 3102242379), (21, 1034080793), (47, 462036099), (141, 154012033), (329, 66005157), (337, 64438269), (987, 22001719), (1011, 21479423), (2359, 9205467), (7077, 3068489), (15839, 1371027), (47517, 457009), (65287, 332619), (110873, 195861)]