21291255876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4359389}}^1$

素因数の和:4359444

約数の個数: 48

約数和(自身を含む): 55660691520

約数和(自身を除く): 34369435644

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4884, 4359389, 8718778, 13078167, 17437556, 26156334, 47953279, 52312668, 95906558, 143859837, 161297393, 191813116, 287719674, 322594786, 483892179, 575439348, 645189572, 967784358, 1774271323, 1935568716, 3548542646, 5322813969, 7097085292, 10645627938, 21291255876]

約数ペア:

[(1, 21291255876), (2, 10645627938), (3, 7097085292), (4, 5322813969), (6, 3548542646), (11, 1935568716), (12, 1774271323), (22, 967784358), (33, 645189572), (37, 575439348), (44, 483892179), (66, 322594786), (74, 287719674), (111, 191813116), (132, 161297393), (148, 143859837), (222, 95906558), (407, 52312668), (444, 47953279), (814, 26156334), (1221, 17437556), (1628, 13078167), (2442, 8718778), (4884, 4359389)]