21000984000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{51473}}^1$

素因数の和:51520

約数の個数: 224

約数和(自身を含む): 73425807936

約数和(自身を除く): 52424823936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 125, 136, 150, 160, 170, 192, 200, 204, 240, 250, 255, 272, 300, 320, 340, 375, 400, 408, 425, 480, 500, 510, 544, 600, 680, 750, 800, 816, 850, 960, 1000, 1020, 1088, 1200, 1275, 1360, 1500, 1600, 1632, 1700, 2000, 2040, 2125, 2400, 2550, 2720, 3000, 3264, 3400, 4000, 4080, 4250, 4800, 5100, 5440, 6000, 6375, 6800, 8000, 8160, 8500, 10200, 12000, 12750, 13600, 16320, 17000, 20400, 24000, 25500, 27200, 34000, 40800, 51000, 51473, 68000, 81600, 102000, 102946, 136000, 154419, 204000, 205892, 257365, 308838, 408000, 411784, 514730, 617676, 772095, 823568, 875041, 1029460, 1235352, 1286825, 1544190, 1647136, 1750082, 2058920, 2470704, 2573650, 2625123, 3088380, 3294272, 3500164, 3860475, 4117840, 4375205, 4941408, 5147300, 5250246, 6176760, 6434125, 7000328, 7720950, 8235680, 8750410, 9882816, 10294600, 10500492, 12353520, 12868250, 13125615, 14000656, 15441900, 16471360, 17500820, 19302375, 20589200, 21000984, 21876025, 24707040, 25736500, 26251230, 28001312, 30883800, 35001640, 38604750, 41178400, 42001968, 43752050, 49414080, 51473000, 52502460, 56002624, 61767600, 65628075, 70003280, 77209500, 82356800, 84003936, 87504100, 102946000, 105004920, 109380125, 123535200, 131256150, 140006560, 154419000, 168007872, 175008200, 205892000, 210009840, 218760250, 247070400, 262512300, 280013120, 308838000, 328140375, 350016400, 411784000, 420019680, 437520500, 525024600, 617676000, 656280750, 700032800, 840039360, 875041000, 1050049200, 1235352000, 1312561500, 1400065600, 1750082000, 2100098400, 2625123000, 3500164000, 4200196800, 5250246000, 7000328000, 10500492000, 21000984000]

約数ペア:

[(1, 21000984000), (2, 10500492000), (3, 7000328000), (4, 5250246000), (5, 4200196800), (6, 3500164000), (8, 2625123000), (10, 2100098400), (12, 1750082000), (15, 1400065600), (16, 1312561500), (17, 1235352000), (20, 1050049200), (24, 875041000), (25, 840039360), (30, 700032800), (32, 656280750), (34, 617676000), (40, 525024600), (48, 437520500), (50, 420019680), (51, 411784000), (60, 350016400), (64, 328140375), (68, 308838000), (75, 280013120), (80, 262512300), (85, 247070400), (96, 218760250), (100, 210009840), (102, 205892000), (120, 175008200), (125, 168007872), (136, 154419000), (150, 140006560), (160, 131256150), (170, 123535200), (192, 109380125), (200, 105004920), (204, 102946000), (240, 87504100), (250, 84003936), (255, 82356800), (272, 77209500), (300, 70003280), (320, 65628075), (340, 61767600), (375, 56002624), (400, 52502460), (408, 51473000), (425, 49414080), (480, 43752050), (500, 42001968), (510, 41178400), (544, 38604750), (600, 35001640), (680, 30883800), (750, 28001312), (800, 26251230), (816, 25736500), (850, 24707040), (960, 21876025), (1000, 21000984), (1020, 20589200), (1088, 19302375), (1200, 17500820), (1275, 16471360), (1360, 15441900), (1500, 14000656), (1600, 13125615), (1632, 12868250), (1700, 12353520), (2000, 10500492), (2040, 10294600), (2125, 9882816), (2400, 8750410), (2550, 8235680), (2720, 7720950), (3000, 7000328), (3264, 6434125), (3400, 6176760), (4000, 5250246), (4080, 5147300), (4250, 4941408), (4800, 4375205), (5100, 4117840), (5440, 3860475), (6000, 3500164), (6375, 3294272), (6800, 3088380), (8000, 2625123), (8160, 2573650), (8500, 2470704), (10200, 2058920), (12000, 1750082), (12750, 1647136), (13600, 1544190), (16320, 1286825), (17000, 1235352), (20400, 1029460), (24000, 875041), (25500, 823568), (27200, 772095), (34000, 617676), (40800, 514730), (51000, 411784), (51473, 408000), (68000, 308838), (81600, 257365), (102000, 205892), (102946, 204000), (136000, 154419)]