21557235456

素因数分解:

$2^8\times 3^3\times {\mathrm{307}}^1\times {\mathrm{10159}}^1$

素因数の和:10491

約数の個数: 144

約数和(自身を含む): 63962483200

約数和(自身を除く): 42405247744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 307, 384, 432, 576, 614, 768, 864, 921, 1152, 1228, 1728, 1842, 2304, 2456, 2763, 3456, 3684, 4912, 5526, 6912, 7368, 8289, 9824, 10159, 11052, 14736, 16578, 19648, 20318, 22104, 29472, 30477, 33156, 39296, 40636, 44208, 58944, 60954, 66312, 78592, 81272, 88416, 91431, 117888, 121908, 132624, 162544, 176832, 182862, 235776, 243816, 265248, 274293, 325088, 353664, 365724, 487632, 530496, 548586, 650176, 707328, 731448, 975264, 1060992, 1097172, 1300352, 1462896, 1950528, 2121984, 2194344, 2600704, 2925792, 3118813, 3901056, 4388688, 5851584, 6237626, 7802112, 8777376, 9356439, 11703168, 12475252, 17554752, 18712878, 23406336, 24950504, 28069317, 35109504, 37425756, 49901008, 56138634, 70219008, 74851512, 84207951, 99802016, 112277268, 149703024, 168415902, 199604032, 224554536, 299406048, 336831804, 399208064, 449109072, 598812096, 673663608, 798416128, 898218144, 1197624192, 1347327216, 1796436288, 2395248384, 2694654432, 3592872576, 5389308864, 7185745152, 10778617728, 21557235456]

約数ペア:

[(1, 21557235456), (2, 10778617728), (3, 7185745152), (4, 5389308864), (6, 3592872576), (8, 2694654432), (9, 2395248384), (12, 1796436288), (16, 1347327216), (18, 1197624192), (24, 898218144), (27, 798416128), (32, 673663608), (36, 598812096), (48, 449109072), (54, 399208064), (64, 336831804), (72, 299406048), (96, 224554536), (108, 199604032), (128, 168415902), (144, 149703024), (192, 112277268), (216, 99802016), (256, 84207951), (288, 74851512), (307, 70219008), (384, 56138634), (432, 49901008), (576, 37425756), (614, 35109504), (768, 28069317), (864, 24950504), (921, 23406336), (1152, 18712878), (1228, 17554752), (1728, 12475252), (1842, 11703168), (2304, 9356439), (2456, 8777376), (2763, 7802112), (3456, 6237626), (3684, 5851584), (4912, 4388688), (5526, 3901056), (6912, 3118813), (7368, 2925792), (8289, 2600704), (9824, 2194344), (10159, 2121984), (11052, 1950528), (14736, 1462896), (16578, 1300352), (19648, 1097172), (20318, 1060992), (22104, 975264), (29472, 731448), (30477, 707328), (33156, 650176), (39296, 548586), (40636, 530496), (44208, 487632), (58944, 365724), (60954, 353664), (66312, 325088), (78592, 274293), (81272, 265248), (88416, 243816), (91431, 235776), (117888, 182862), (121908, 176832), (132624, 162544)]