21000273866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1707617}}^1$

素因数の和:1707686

約数の個数: 32

約数和(自身を含む): 37868136768

約数和(自身を除く): 16867862902

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 6149, 12298, 1707617, 3415234, 18783787, 22199021, 37567574, 44398042, 73427531, 146855062, 244189231, 488378462, 807702841, 954557903, 1615405682, 1909115806, 10500136933, 21000273866]

約数ペア:

[(1, 21000273866), (2, 10500136933), (11, 1909115806), (13, 1615405682), (22, 954557903), (26, 807702841), (43, 488378462), (86, 244189231), (143, 146855062), (286, 73427531), (473, 44398042), (559, 37567574), (946, 22199021), (1118, 18783787), (6149, 3415234), (12298, 1707617)]