21050963640

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{309391}}^1$

素因数の和:309424

約数の個数: 192

約数和(自身を含む): 81085455360

約数和(自身を除く): 60034491720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 34020, 68040, 309391, 618782, 928173, 1237564, 1546955, 1856346, 2165737, 2475128, 2784519, 3093910, 3712692, 4331474, 4640865, 5569038, 6187820, 6497211, 7425384, 8353557, 8662948, 9281730, 10828685, 11138076, 12375640, 12994422, 13922595, 16707114, 17325896, 18563460, 19491633, 21657370, 22276152, 25060671, 25988844, 27845190, 32486055, 33414228, 37126920, 38983266, 41767785, 43314740, 50121342, 51977688, 55690380, 58474899, 64972110, 66828456, 75182013, 77966532, 83535570, 86629480, 97458165, 100242684, 111380760, 116949798, 125303355, 129944220, 150364026, 155933064, 167071140, 175424697, 194916330, 200485368, 233899596, 250606710, 259888440, 292374495, 300728052, 334142280, 350849394, 375910065, 389832660, 467799192, 501213420, 526274091, 584748990, 601456104, 701698788, 751820130, 779665320, 877123485, 1002426840, 1052548182, 1169497980, 1403397576, 1503640260, 1754246970, 2105096364, 2338995960, 2631370455, 3007280520, 3508493940, 4210192728, 5262740910, 7016987880, 10525481820, 21050963640]

約数ペア:

[(1, 21050963640), (2, 10525481820), (3, 7016987880), (4, 5262740910), (5, 4210192728), (6, 3508493940), (7, 3007280520), (8, 2631370455), (9, 2338995960), (10, 2105096364), (12, 1754246970), (14, 1503640260), (15, 1403397576), (18, 1169497980), (20, 1052548182), (21, 1002426840), (24, 877123485), (27, 779665320), (28, 751820130), (30, 701698788), (35, 601456104), (36, 584748990), (40, 526274091), (42, 501213420), (45, 467799192), (54, 389832660), (56, 375910065), (60, 350849394), (63, 334142280), (70, 300728052), (72, 292374495), (81, 259888440), (84, 250606710), (90, 233899596), (105, 200485368), (108, 194916330), (120, 175424697), (126, 167071140), (135, 155933064), (140, 150364026), (162, 129944220), (168, 125303355), (180, 116949798), (189, 111380760), (210, 100242684), (216, 97458165), (243, 86629480), (252, 83535570), (270, 77966532), (280, 75182013), (315, 66828456), (324, 64972110), (360, 58474899), (378, 55690380), (405, 51977688), (420, 50121342), (486, 43314740), (504, 41767785), (540, 38983266), (567, 37126920), (630, 33414228), (648, 32486055), (756, 27845190), (810, 25988844), (840, 25060671), (945, 22276152), (972, 21657370), (1080, 19491633), (1134, 18563460), (1215, 17325896), (1260, 16707114), (1512, 13922595), (1620, 12994422), (1701, 12375640), (1890, 11138076), (1944, 10828685), (2268, 9281730), (2430, 8662948), (2520, 8353557), (2835, 7425384), (3240, 6497211), (3402, 6187820), (3780, 5569038), (4536, 4640865), (4860, 4331474), (5670, 3712692), (6804, 3093910), (7560, 2784519), (8505, 2475128), (9720, 2165737), (11340, 1856346), (13608, 1546955), (17010, 1237564), (22680, 928173), (34020, 618782), (68040, 309391)]