21000343401

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{821}}^1\times {\mathrm{38933}}^1$

素因数の和:39833

約数の個数: 24

約数和(自身を含む): 30787605576

約数和(自身を除く): 9787262175

約数列:

[1, 3, 9, 73, 219, 657, 821, 2463, 7389, 38933, 59933, 116799, 179799, 350397, 539397, 2842109, 8526327, 25578981, 31963993, 95891979, 287675937, 2333371489, 7000114467, 21000343401]

約数ペア:

[(1, 21000343401), (3, 7000114467), (9, 2333371489), (73, 287675937), (219, 95891979), (657, 31963993), (821, 25578981), (2463, 8526327), (7389, 2842109), (38933, 539397), (59933, 350397), (116799, 179799)]