21000948000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{157}}^2$

素因数の和:413

約数の個数: 288

約数和(自身を含む): 70215320448

約数和(自身を除く): 49214372448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 71, 75, 80, 96, 100, 120, 125, 142, 150, 157, 160, 200, 213, 240, 250, 284, 300, 314, 355, 375, 400, 426, 471, 480, 500, 568, 600, 628, 710, 750, 785, 800, 852, 942, 1000, 1065, 1136, 1200, 1256, 1420, 1500, 1570, 1704, 1775, 1884, 2000, 2130, 2272, 2355, 2400, 2512, 2840, 3000, 3140, 3408, 3550, 3768, 3925, 4000, 4260, 4710, 5024, 5325, 5680, 6000, 6280, 6816, 7100, 7536, 7850, 8520, 8875, 9420, 10650, 11147, 11360, 11775, 12000, 12560, 14200, 15072, 15700, 17040, 17750, 18840, 19625, 21300, 22294, 23550, 24649, 25120, 26625, 28400, 31400, 33441, 34080, 35500, 37680, 39250, 42600, 44588, 47100, 49298, 53250, 55735, 56800, 58875, 62800, 66882, 71000, 73947, 75360, 78500, 85200, 89176, 94200, 98596, 106500, 111470, 117750, 123245, 125600, 133764, 142000, 147894, 157000, 167205, 170400, 178352, 188400, 197192, 213000, 222940, 235500, 246490, 267528, 278675, 284000, 295788, 314000, 334410, 356704, 369735, 376800, 394384, 426000, 445880, 471000, 492980, 535056, 557350, 591576, 616225, 628000, 668820, 739470, 788768, 836025, 852000, 891760, 942000, 985960, 1070112, 1114700, 1183152, 1232450, 1337640, 1393375, 1478940, 1672050, 1750079, 1783520, 1848675, 1884000, 1971920, 2229400, 2366304, 2464900, 2675280, 2786750, 2957880, 3081125, 3344100, 3500158, 3697350, 3943840, 4180125, 4458800, 4929800, 5250237, 5350560, 5573500, 5915760, 6162250, 6688200, 7000316, 7394700, 8360250, 8750395, 8917600, 9243375, 9859600, 10500474, 11147000, 11831520, 12324500, 13376400, 14000632, 14789400, 16720500, 17500790, 18486750, 19719200, 21000948, 22294000, 24649000, 26251185, 26752800, 28001264, 29578800, 33441000, 35001580, 36973500, 42001896, 43751975, 44588000, 49298000, 52502370, 56002528, 59157600, 66882000, 70003160, 73947000, 84003792, 87503950, 98596000, 105004740, 131255925, 133764000, 140006320, 147894000, 168007584, 175007900, 210009480, 218759875, 262511850, 280012640, 295788000, 350015800, 420018960, 437519750, 525023700, 656279625, 700031600, 840037920, 875039500, 1050047400, 1312559250, 1400063200, 1750079000, 2100094800, 2625118500, 3500158000, 4200189600, 5250237000, 7000316000, 10500474000, 21000948000]

約数ペア:

[(1, 21000948000), (2, 10500474000), (3, 7000316000), (4, 5250237000), (5, 4200189600), (6, 3500158000), (8, 2625118500), (10, 2100094800), (12, 1750079000), (15, 1400063200), (16, 1312559250), (20, 1050047400), (24, 875039500), (25, 840037920), (30, 700031600), (32, 656279625), (40, 525023700), (48, 437519750), (50, 420018960), (60, 350015800), (71, 295788000), (75, 280012640), (80, 262511850), (96, 218759875), (100, 210009480), (120, 175007900), (125, 168007584), (142, 147894000), (150, 140006320), (157, 133764000), (160, 131255925), (200, 105004740), (213, 98596000), (240, 87503950), (250, 84003792), (284, 73947000), (300, 70003160), (314, 66882000), (355, 59157600), (375, 56002528), (400, 52502370), (426, 49298000), (471, 44588000), (480, 43751975), (500, 42001896), (568, 36973500), (600, 35001580), (628, 33441000), (710, 29578800), (750, 28001264), (785, 26752800), (800, 26251185), (852, 24649000), (942, 22294000), (1000, 21000948), (1065, 19719200), (1136, 18486750), (1200, 17500790), (1256, 16720500), (1420, 14789400), (1500, 14000632), (1570, 13376400), (1704, 12324500), (1775, 11831520), (1884, 11147000), (2000, 10500474), (2130, 9859600), (2272, 9243375), (2355, 8917600), (2400, 8750395), (2512, 8360250), (2840, 7394700), (3000, 7000316), (3140, 6688200), (3408, 6162250), (3550, 5915760), (3768, 5573500), (3925, 5350560), (4000, 5250237), (4260, 4929800), (4710, 4458800), (5024, 4180125), (5325, 3943840), (5680, 3697350), (6000, 3500158), (6280, 3344100), (6816, 3081125), (7100, 2957880), (7536, 2786750), (7850, 2675280), (8520, 2464900), (8875, 2366304), (9420, 2229400), (10650, 1971920), (11147, 1884000), (11360, 1848675), (11775, 1783520), (12000, 1750079), (12560, 1672050), (14200, 1478940), (15072, 1393375), (15700, 1337640), (17040, 1232450), (17750, 1183152), (18840, 1114700), (19625, 1070112), (21300, 985960), (22294, 942000), (23550, 891760), (24649, 852000), (25120, 836025), (26625, 788768), (28400, 739470), (31400, 668820), (33441, 628000), (34080, 616225), (35500, 591576), (37680, 557350), (39250, 535056), (42600, 492980), (44588, 471000), (47100, 445880), (49298, 426000), (53250, 394384), (55735, 376800), (56800, 369735), (58875, 356704), (62800, 334410), (66882, 314000), (71000, 295788), (73947, 284000), (75360, 278675), (78500, 267528), (85200, 246490), (89176, 235500), (94200, 222940), (98596, 213000), (106500, 197192), (111470, 188400), (117750, 178352), (123245, 170400), (125600, 167205), (133764, 157000), (142000, 147894)]