21720571824

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{401519}}^1$

素因数の和:401567

約数の個数: 120

約数和(自身を含む): 68110640640

約数和(自身を除く): 46390068816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 49, 56, 69, 84, 92, 98, 112, 138, 147, 161, 168, 184, 196, 276, 294, 322, 336, 368, 392, 483, 552, 588, 644, 784, 966, 1104, 1127, 1176, 1288, 1932, 2254, 2352, 2576, 3381, 3864, 4508, 6762, 7728, 9016, 13524, 18032, 27048, 54096, 401519, 803038, 1204557, 1606076, 2409114, 2810633, 3212152, 4818228, 5621266, 6424304, 8431899, 9234937, 9636456, 11242532, 16863798, 18469874, 19272912, 19674431, 22485064, 27704811, 33727596, 36939748, 39348862, 44970128, 55409622, 59023293, 64644559, 67455192, 73879496, 78697724, 110819244, 118046586, 129289118, 134910384, 147758992, 157395448, 193933677, 221638488, 236093172, 258578236, 314790896, 387867354, 443276976, 452511913, 472186344, 517156472, 775734708, 905023826, 944372688, 1034312944, 1357535739, 1551469416, 1810047652, 2715071478, 3102938832, 3620095304, 5430142956, 7240190608, 10860285912, 21720571824]

約数ペア:

[(1, 21720571824), (2, 10860285912), (3, 7240190608), (4, 5430142956), (6, 3620095304), (7, 3102938832), (8, 2715071478), (12, 1810047652), (14, 1551469416), (16, 1357535739), (21, 1034312944), (23, 944372688), (24, 905023826), (28, 775734708), (42, 517156472), (46, 472186344), (48, 452511913), (49, 443276976), (56, 387867354), (69, 314790896), (84, 258578236), (92, 236093172), (98, 221638488), (112, 193933677), (138, 157395448), (147, 147758992), (161, 134910384), (168, 129289118), (184, 118046586), (196, 110819244), (276, 78697724), (294, 73879496), (322, 67455192), (336, 64644559), (368, 59023293), (392, 55409622), (483, 44970128), (552, 39348862), (588, 36939748), (644, 33727596), (784, 27704811), (966, 22485064), (1104, 19674431), (1127, 19272912), (1176, 18469874), (1288, 16863798), (1932, 11242532), (2254, 9636456), (2352, 9234937), (2576, 8431899), (3381, 6424304), (3864, 5621266), (4508, 4818228), (6762, 3212152), (7728, 2810633), (9016, 2409114), (13524, 1606076), (18032, 1204557), (27048, 803038), (54096, 401519)]