21809111168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1430

約数の個数: 128

約数和(自身を含む): 47871129600

約数和(自身を除く): 26062018432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 128, 193, 208, 236, 386, 416, 472, 767, 772, 832, 944, 1151, 1534, 1544, 1664, 1888, 2302, 2509, 3068, 3088, 3776, 4604, 5018, 6136, 6176, 7552, 9208, 10036, 11387, 12272, 12352, 14963, 18416, 20072, 22774, 24544, 24704, 29926, 36832, 40144, 45548, 49088, 59852, 67909, 73664, 80288, 91096, 98176, 119704, 135818, 147328, 148031, 160576, 182192, 222143, 239408, 271636, 296062, 321152, 364384, 444286, 478816, 543272, 592124, 728768, 882817, 888572, 957632, 1086544, 1184248, 1457536, 1765634, 1777144, 1915264, 2173088, 2368496, 2887859, 3531268, 3554288, 4346176, 4736992, 5775718, 7062536, 7108576, 8692352, 9473984, 11551436, 13106437, 14125072, 14217152, 18947968, 23102872, 26212874, 28250144, 28434304, 46205744, 52425748, 56500288, 92411488, 104851496, 113000576, 170383681, 184822976, 209702992, 340767362, 369645952, 419405984, 681534724, 838811968, 1363069448, 1677623936, 2726138896, 5452277792, 10904555584, 21809111168]

約数ペア:

[(1, 21809111168), (2, 10904555584), (4, 5452277792), (8, 2726138896), (13, 1677623936), (16, 1363069448), (26, 838811968), (32, 681534724), (52, 419405984), (59, 369645952), (64, 340767362), (104, 209702992), (118, 184822976), (128, 170383681), (193, 113000576), (208, 104851496), (236, 92411488), (386, 56500288), (416, 52425748), (472, 46205744), (767, 28434304), (772, 28250144), (832, 26212874), (944, 23102872), (1151, 18947968), (1534, 14217152), (1544, 14125072), (1664, 13106437), (1888, 11551436), (2302, 9473984), (2509, 8692352), (3068, 7108576), (3088, 7062536), (3776, 5775718), (4604, 4736992), (5018, 4346176), (6136, 3554288), (6176, 3531268), (7552, 2887859), (9208, 2368496), (10036, 2173088), (11387, 1915264), (12272, 1777144), (12352, 1765634), (14963, 1457536), (18416, 1184248), (20072, 1086544), (22774, 957632), (24544, 888572), (24704, 882817), (29926, 728768), (36832, 592124), (40144, 543272), (45548, 478816), (49088, 444286), (59852, 364384), (67909, 321152), (73664, 296062), (80288, 271636), (91096, 239408), (98176, 222143), (119704, 182192), (135818, 160576), (147328, 148031)]