21413084

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 48007680

約数和(自身を除く): 26594596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1879, 2849, 3758, 5698, 7516, 11396, 13153, 20669, 26306, 41338, 52612, 69523, 82676, 139046, 144683, 278092, 289366, 486661, 578732, 764753, 973322, 1529506, 1946644, 3059012, 5353271, 10706542, 21413084]

約数ペア:

[(1, 21413084), (2, 10706542), (4, 5353271), (7, 3059012), (11, 1946644), (14, 1529506), (22, 973322), (28, 764753), (37, 578732), (44, 486661), (74, 289366), (77, 278092), (148, 144683), (154, 139046), (259, 82676), (308, 69523), (407, 52612), (518, 41338), (814, 26306), (1036, 20669), (1628, 13153), (1879, 11396), (2849, 7516), (3758, 5698)]