21540192128

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{6581}}^1$

素因数の和:6896

約数の個数: 128

約数和(自身を含む): 53010901440

約数和(自身を除く): 31470709312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 281, 364, 416, 448, 562, 728, 832, 896, 1124, 1456, 1664, 1967, 2248, 2912, 3653, 3934, 4496, 5824, 6581, 7306, 7868, 8992, 11648, 13162, 14612, 15736, 17984, 25571, 26324, 29224, 31472, 35968, 46067, 51142, 52648, 58448, 62944, 85553, 92134, 102284, 105296, 116896, 125888, 171106, 184268, 204568, 210592, 233792, 251776, 342212, 368536, 409136, 421184, 467584, 598871, 684424, 737072, 818272, 842368, 1197742, 1368848, 1474144, 1636544, 1849261, 2395484, 2737696, 2948288, 3273088, 3698522, 4790968, 5475392, 5896576, 7397044, 9581936, 10950784, 12944827, 14794088, 19163872, 24040393, 25889654, 29588176, 38327744, 48080786, 51779308, 59176352, 76655488, 96161572, 103558616, 118352704, 168282751, 192323144, 207117232, 236705408, 336565502, 384646288, 414234464, 673131004, 769292576, 828468928, 1346262008, 1538585152, 1656937856, 2692524016, 3077170304, 5385048032, 10770096064, 21540192128]

約数ペア:

[(1, 21540192128), (2, 10770096064), (4, 5385048032), (7, 3077170304), (8, 2692524016), (13, 1656937856), (14, 1538585152), (16, 1346262008), (26, 828468928), (28, 769292576), (32, 673131004), (52, 414234464), (56, 384646288), (64, 336565502), (91, 236705408), (104, 207117232), (112, 192323144), (128, 168282751), (182, 118352704), (208, 103558616), (224, 96161572), (281, 76655488), (364, 59176352), (416, 51779308), (448, 48080786), (562, 38327744), (728, 29588176), (832, 25889654), (896, 24040393), (1124, 19163872), (1456, 14794088), (1664, 12944827), (1967, 10950784), (2248, 9581936), (2912, 7397044), (3653, 5896576), (3934, 5475392), (4496, 4790968), (5824, 3698522), (6581, 3273088), (7306, 2948288), (7868, 2737696), (8992, 2395484), (11648, 1849261), (13162, 1636544), (14612, 1474144), (15736, 1368848), (17984, 1197742), (25571, 842368), (26324, 818272), (29224, 737072), (31472, 684424), (35968, 598871), (46067, 467584), (51142, 421184), (52648, 409136), (58448, 368536), (62944, 342212), (85553, 251776), (92134, 233792), (102284, 210592), (105296, 204568), (116896, 184268), (125888, 171106)]