21369147216

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1\times {\mathrm{10597}}^1$

素因数の和:11628

約数の個数: 80

約数和(自身を含む): 56550588864

約数和(自身を除く): 35181441648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 977, 1032, 1954, 2064, 2931, 3908, 5862, 7816, 10597, 11724, 15632, 21194, 23448, 31791, 42011, 42388, 46896, 63582, 84022, 84776, 126033, 127164, 168044, 169552, 252066, 254328, 336088, 455671, 504132, 508656, 672176, 911342, 1008264, 1367013, 1822684, 2016528, 2734026, 3645368, 5468052, 7290736, 10353269, 10936104, 20706538, 21872208, 31059807, 41413076, 62119614, 82826152, 124239228, 165652304, 248478456, 445190567, 496956912, 890381134, 1335571701, 1780762268, 2671143402, 3561524536, 5342286804, 7123049072, 10684573608, 21369147216]

約数ペア:

[(1, 21369147216), (2, 10684573608), (3, 7123049072), (4, 5342286804), (6, 3561524536), (8, 2671143402), (12, 1780762268), (16, 1335571701), (24, 890381134), (43, 496956912), (48, 445190567), (86, 248478456), (129, 165652304), (172, 124239228), (258, 82826152), (344, 62119614), (516, 41413076), (688, 31059807), (977, 21872208), (1032, 20706538), (1954, 10936104), (2064, 10353269), (2931, 7290736), (3908, 5468052), (5862, 3645368), (7816, 2734026), (10597, 2016528), (11724, 1822684), (15632, 1367013), (21194, 1008264), (23448, 911342), (31791, 672176), (42011, 508656), (42388, 504132), (46896, 455671), (63582, 336088), (84022, 254328), (84776, 252066), (126033, 169552), (127164, 168044)]