21836154956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{558241}}^1$

素因数の和:558390

約数の個数: 48

約数和(自身を含む): 48017743872

約数和(自身を除く): 26181588916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 508, 889, 1397, 1778, 2794, 3556, 5588, 9779, 19558, 39116, 558241, 1116482, 2232964, 3907687, 6140651, 7815374, 12281302, 15630748, 24562604, 42984557, 70896607, 85969114, 141793214, 171938228, 283586428, 496276249, 779862677, 992552498, 1559725354, 1985104996, 3119450708, 5459038739, 10918077478, 21836154956]

約数ペア:

[(1, 21836154956), (2, 10918077478), (4, 5459038739), (7, 3119450708), (11, 1985104996), (14, 1559725354), (22, 992552498), (28, 779862677), (44, 496276249), (77, 283586428), (127, 171938228), (154, 141793214), (254, 85969114), (308, 70896607), (508, 42984557), (889, 24562604), (1397, 15630748), (1778, 12281302), (2794, 7815374), (3556, 6140651), (5588, 3907687), (9779, 2232964), (19558, 1116482), (39116, 558241)]