21407271840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73961}}^1$

素因数の和:74052

約数の個数: 192

約数和(自身を含む): 76044769920

約数和(自身を除く): 54637498080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 96, 108, 120, 134, 135, 144, 160, 180, 201, 216, 240, 268, 270, 288, 335, 360, 402, 432, 480, 536, 540, 603, 670, 720, 804, 864, 1005, 1072, 1080, 1206, 1340, 1440, 1608, 1809, 2010, 2144, 2160, 2412, 2680, 3015, 3216, 3618, 4020, 4320, 4824, 5360, 6030, 6432, 7236, 8040, 9045, 9648, 10720, 12060, 14472, 16080, 18090, 19296, 24120, 28944, 32160, 36180, 48240, 57888, 72360, 73961, 96480, 144720, 147922, 221883, 289440, 295844, 369805, 443766, 591688, 665649, 739610, 887532, 1109415, 1183376, 1331298, 1479220, 1775064, 1996947, 2218830, 2366752, 2662596, 2958440, 3328245, 3550128, 3993894, 4437660, 4955387, 5325192, 5916880, 6656490, 7100256, 7987788, 8875320, 9910774, 9984735, 10650384, 11833760, 13312980, 14866161, 15975576, 17750640, 19821548, 19969470, 21300768, 24776935, 26625960, 29732322, 31951152, 35501280, 39643096, 39938940, 44598483, 49553870, 53251920, 59464644, 63902304, 74330805, 79286192, 79877880, 89196966, 99107740, 106503840, 118929288, 133795449, 148661610, 158572384, 159755760, 178393932, 198215480, 222992415, 237858576, 267590898, 297323220, 319511520, 356787864, 396430960, 445984830, 475717152, 535181796, 594646440, 668977245, 713575728, 792861920, 891969660, 1070363592, 1189292880, 1337954490, 1427151456, 1783939320, 2140727184, 2378585760, 2675908980, 3567878640, 4281454368, 5351817960, 7135757280, 10703635920, 21407271840]

約数ペア:

[(1, 21407271840), (2, 10703635920), (3, 7135757280), (4, 5351817960), (5, 4281454368), (6, 3567878640), (8, 2675908980), (9, 2378585760), (10, 2140727184), (12, 1783939320), (15, 1427151456), (16, 1337954490), (18, 1189292880), (20, 1070363592), (24, 891969660), (27, 792861920), (30, 713575728), (32, 668977245), (36, 594646440), (40, 535181796), (45, 475717152), (48, 445984830), (54, 396430960), (60, 356787864), (67, 319511520), (72, 297323220), (80, 267590898), (90, 237858576), (96, 222992415), (108, 198215480), (120, 178393932), (134, 159755760), (135, 158572384), (144, 148661610), (160, 133795449), (180, 118929288), (201, 106503840), (216, 99107740), (240, 89196966), (268, 79877880), (270, 79286192), (288, 74330805), (335, 63902304), (360, 59464644), (402, 53251920), (432, 49553870), (480, 44598483), (536, 39938940), (540, 39643096), (603, 35501280), (670, 31951152), (720, 29732322), (804, 26625960), (864, 24776935), (1005, 21300768), (1072, 19969470), (1080, 19821548), (1206, 17750640), (1340, 15975576), (1440, 14866161), (1608, 13312980), (1809, 11833760), (2010, 10650384), (2144, 9984735), (2160, 9910774), (2412, 8875320), (2680, 7987788), (3015, 7100256), (3216, 6656490), (3618, 5916880), (4020, 5325192), (4320, 4955387), (4824, 4437660), (5360, 3993894), (6030, 3550128), (6432, 3328245), (7236, 2958440), (8040, 2662596), (9045, 2366752), (9648, 2218830), (10720, 1996947), (12060, 1775064), (14472, 1479220), (16080, 1331298), (18090, 1183376), (19296, 1109415), (24120, 887532), (28944, 739610), (32160, 665649), (36180, 591688), (48240, 443766), (57888, 369805), (72360, 295844), (73961, 289440), (96480, 221883), (144720, 147922)]