21057624

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:774

約数の個数: 128

約数和(自身を含む): 70464000

約数和(自身を除く): 49406376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 733, 756, 798, 1026, 1064, 1197, 1368, 1466, 1512, 1596, 2052, 2199, 2394, 2932, 3192, 3591, 4104, 4398, 4788, 5131, 5864, 6597, 7182, 8796, 9576, 10262, 13194, 13927, 14364, 15393, 17592, 19791, 20524, 26388, 27854, 28728, 30786, 39582, 41048, 41781, 46179, 52776, 55708, 61572, 79164, 83562, 92358, 97489, 111416, 123144, 125343, 138537, 158328, 167124, 184716, 194978, 250686, 277074, 292467, 334248, 369432, 376029, 389956, 501372, 554148, 584934, 752058, 779912, 877401, 1002744, 1108296, 1169868, 1504116, 1754802, 2339736, 2632203, 3008232, 3509604, 5264406, 7019208, 10528812, 21057624]

約数ペア:

[(1, 21057624), (2, 10528812), (3, 7019208), (4, 5264406), (6, 3509604), (7, 3008232), (8, 2632203), (9, 2339736), (12, 1754802), (14, 1504116), (18, 1169868), (19, 1108296), (21, 1002744), (24, 877401), (27, 779912), (28, 752058), (36, 584934), (38, 554148), (42, 501372), (54, 389956), (56, 376029), (57, 369432), (63, 334248), (72, 292467), (76, 277074), (84, 250686), (108, 194978), (114, 184716), (126, 167124), (133, 158328), (152, 138537), (168, 125343), (171, 123144), (189, 111416), (216, 97489), (228, 92358), (252, 83562), (266, 79164), (342, 61572), (378, 55708), (399, 52776), (456, 46179), (504, 41781), (513, 41048), (532, 39582), (684, 30786), (733, 28728), (756, 27854), (798, 26388), (1026, 20524), (1064, 19791), (1197, 17592), (1368, 15393), (1466, 14364), (1512, 13927), (1596, 13194), (2052, 10262), (2199, 9576), (2394, 8796), (2932, 7182), (3192, 6597), (3591, 5864), (4104, 5131), (4398, 4788)]