21031432444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{733}}^1\times {\mathrm{3643}}^1$

素因数の和:4570

約数の個数: 48

約数和(自身を含む): 40441403520

約数和(自身を除く): 19409971076

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 733, 1466, 1969, 2932, 3643, 3938, 7286, 7876, 8063, 14572, 16126, 32252, 40073, 80146, 131207, 160292, 262414, 524828, 652097, 1304194, 1443277, 2608388, 2670319, 2886554, 5340638, 5773108, 7173067, 10681276, 14346134, 28692268, 29373509, 58747018, 117494036, 477987101, 955974202, 1911948404, 5257858111, 10515716222, 21031432444]

約数ペア:

[(1, 21031432444), (2, 10515716222), (4, 5257858111), (11, 1911948404), (22, 955974202), (44, 477987101), (179, 117494036), (358, 58747018), (716, 29373509), (733, 28692268), (1466, 14346134), (1969, 10681276), (2932, 7173067), (3643, 5773108), (3938, 5340638), (7286, 2886554), (7876, 2670319), (8063, 2608388), (14572, 1443277), (16126, 1304194), (32252, 652097), (40073, 524828), (80146, 262414), (131207, 160292)]