21894861

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 32635008

約数和(自身を除く): 10740147

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 283, 629, 697, 849, 1517, 1887, 2091, 4551, 4811, 10471, 11603, 14433, 25789, 31413, 34809, 77367, 178007, 197251, 429311, 534021, 591753, 1287933, 7298287, 21894861]

約数ペア:

[(1, 21894861), (3, 7298287), (17, 1287933), (37, 591753), (41, 534021), (51, 429311), (111, 197251), (123, 178007), (283, 77367), (629, 34809), (697, 31413), (849, 25789), (1517, 14433), (1887, 11603), (2091, 10471), (4551, 4811)]