21551771520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1247209}}^1$

素因数の和:1247237

約数の個数: 128

約数和(自身を含む): 76329252000

約数和(自身を除く): 54777480480

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, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1247209, 2494418, 3741627, 4988836, 6236045, 7483254, 9977672, 11224881, 12472090, 14966508, 18708135, 19955344, 22449762, 24944180, 29933016, 33674643, 37416270, 39910688, 44899524, 49888360, 56124405, 59866032, 67349286, 74832540, 79821376, 89799048, 99776720, 112248810, 119732064, 134698572, 149665080, 159642752, 168373215, 179598096, 199553440, 224497620, 239464128, 269397144, 299330160, 336746430, 359196192, 399106880, 448995240, 478928256, 538794288, 598660320, 673492860, 718392384, 798213760, 897990480, 1077588576, 1197320640, 1346985720, 1436784768, 1795980960, 2155177152, 2394641280, 2693971440, 3591961920, 4310354304, 5387942880, 7183923840, 10775885760, 21551771520]

約数ペア:

[(1, 21551771520), (2, 10775885760), (3, 7183923840), (4, 5387942880), (5, 4310354304), (6, 3591961920), (8, 2693971440), (9, 2394641280), (10, 2155177152), (12, 1795980960), (15, 1436784768), (16, 1346985720), (18, 1197320640), (20, 1077588576), (24, 897990480), (27, 798213760), (30, 718392384), (32, 673492860), (36, 598660320), (40, 538794288), (45, 478928256), (48, 448995240), (54, 399106880), (60, 359196192), (64, 336746430), (72, 299330160), (80, 269397144), (90, 239464128), (96, 224497620), (108, 199553440), (120, 179598096), (128, 168373215), (135, 159642752), (144, 149665080), (160, 134698572), (180, 119732064), (192, 112248810), (216, 99776720), (240, 89799048), (270, 79821376), (288, 74832540), (320, 67349286), (360, 59866032), (384, 56124405), (432, 49888360), (480, 44899524), (540, 39910688), (576, 37416270), (640, 33674643), (720, 29933016), (864, 24944180), (960, 22449762), (1080, 19955344), (1152, 18708135), (1440, 14966508), (1728, 12472090), (1920, 11224881), (2160, 9977672), (2880, 7483254), (3456, 6236045), (4320, 4988836), (5760, 3741627), (8640, 2494418), (17280, 1247209)]