21091824

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 45935136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 593, 624, 684, 741, 912, 936, 988, 1186, 1368, 1482, 1779, 1872, 1976, 2223, 2372, 2736, 2964, 3558, 3952, 4446, 4744, 5337, 5928, 7116, 7709, 8892, 9488, 10674, 11267, 11856, 14232, 15418, 17784, 21348, 22534, 23127, 28464, 30836, 33801, 35568, 42696, 45068, 46254, 61672, 67602, 69381, 85392, 90136, 92508, 101403, 123344, 135204, 138762, 146471, 180272, 185016, 202806, 270408, 277524, 292942, 370032, 405612, 439413, 540816, 555048, 585884, 811224, 878826, 1110096, 1171768, 1318239, 1622448, 1757652, 2343536, 2636478, 3515304, 5272956, 7030608, 10545912, 21091824]

約数ペア:

[(1, 21091824), (2, 10545912), (3, 7030608), (4, 5272956), (6, 3515304), (8, 2636478), (9, 2343536), (12, 1757652), (13, 1622448), (16, 1318239), (18, 1171768), (19, 1110096), (24, 878826), (26, 811224), (36, 585884), (38, 555048), (39, 540816), (48, 439413), (52, 405612), (57, 370032), (72, 292942), (76, 277524), (78, 270408), (104, 202806), (114, 185016), (117, 180272), (144, 146471), (152, 138762), (156, 135204), (171, 123344), (208, 101403), (228, 92508), (234, 90136), (247, 85392), (304, 69381), (312, 67602), (342, 61672), (456, 46254), (468, 45068), (494, 42696), (593, 35568), (624, 33801), (684, 30836), (741, 28464), (912, 23127), (936, 22534), (988, 21348), (1186, 17784), (1368, 15418), (1482, 14232), (1779, 11856), (1872, 11267), (1976, 10674), (2223, 9488), (2372, 8892), (2736, 7709), (2964, 7116), (3558, 5928), (3952, 5337), (4446, 4744)]