21216000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 288

約数和(自身を含む): 80353728

約数和(自身を除く): 59137728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 25, 26, 30, 32, 34, 39, 40, 48, 50, 51, 52, 60, 64, 65, 68, 75, 78, 80, 85, 96, 100, 102, 104, 120, 125, 128, 130, 136, 150, 156, 160, 170, 192, 195, 200, 204, 208, 221, 240, 250, 255, 256, 260, 272, 300, 312, 320, 325, 340, 375, 384, 390, 400, 408, 416, 425, 442, 480, 500, 510, 520, 544, 600, 624, 640, 650, 663, 680, 750, 768, 780, 800, 816, 832, 850, 884, 960, 975, 1000, 1020, 1040, 1088, 1105, 1200, 1248, 1275, 1280, 1300, 1326, 1360, 1500, 1560, 1600, 1625, 1632, 1664, 1700, 1768, 1920, 1950, 2000, 2040, 2080, 2125, 2176, 2210, 2400, 2496, 2550, 2600, 2652, 2720, 3000, 3120, 3200, 3250, 3264, 3315, 3328, 3400, 3536, 3840, 3900, 4000, 4080, 4160, 4250, 4352, 4420, 4800, 4875, 4992, 5100, 5200, 5304, 5440, 5525, 6000, 6240, 6375, 6400, 6500, 6528, 6630, 6800, 7072, 7800, 8000, 8160, 8320, 8500, 8840, 9600, 9750, 9984, 10200, 10400, 10608, 10880, 11050, 12000, 12480, 12750, 13000, 13056, 13260, 13600, 14144, 15600, 16000, 16320, 16575, 16640, 17000, 17680, 19200, 19500, 20400, 20800, 21216, 21760, 22100, 24000, 24960, 25500, 26000, 26520, 27200, 27625, 28288, 31200, 32000, 32640, 33150, 34000, 35360, 39000, 40800, 41600, 42432, 44200, 48000, 49920, 51000, 52000, 53040, 54400, 55250, 56576, 62400, 65280, 66300, 68000, 70720, 78000, 81600, 82875, 83200, 84864, 88400, 96000, 102000, 104000, 106080, 108800, 110500, 124800, 132600, 136000, 141440, 156000, 163200, 165750, 169728, 176800, 204000, 208000, 212160, 221000, 249600, 265200, 272000, 282880, 312000, 326400, 331500, 353600, 408000, 416000, 424320, 442000, 530400, 544000, 624000, 663000, 707200, 816000, 848640, 884000, 1060800, 1248000, 1326000, 1414400, 1632000, 1768000, 2121600, 2652000, 3536000, 4243200, 5304000, 7072000, 10608000, 21216000]

約数ペア:

[(1, 21216000), (2, 10608000), (3, 7072000), (4, 5304000), (5, 4243200), (6, 3536000), (8, 2652000), (10, 2121600), (12, 1768000), (13, 1632000), (15, 1414400), (16, 1326000), (17, 1248000), (20, 1060800), (24, 884000), (25, 848640), (26, 816000), (30, 707200), (32, 663000), (34, 624000), (39, 544000), (40, 530400), (48, 442000), (50, 424320), (51, 416000), (52, 408000), (60, 353600), (64, 331500), (65, 326400), (68, 312000), (75, 282880), (78, 272000), (80, 265200), (85, 249600), (96, 221000), (100, 212160), (102, 208000), (104, 204000), (120, 176800), (125, 169728), (128, 165750), (130, 163200), (136, 156000), (150, 141440), (156, 136000), (160, 132600), (170, 124800), (192, 110500), (195, 108800), (200, 106080), (204, 104000), (208, 102000), (221, 96000), (240, 88400), (250, 84864), (255, 83200), (256, 82875), (260, 81600), (272, 78000), (300, 70720), (312, 68000), (320, 66300), (325, 65280), (340, 62400), (375, 56576), (384, 55250), (390, 54400), (400, 53040), (408, 52000), (416, 51000), (425, 49920), (442, 48000), (480, 44200), (500, 42432), (510, 41600), (520, 40800), (544, 39000), (600, 35360), (624, 34000), (640, 33150), (650, 32640), (663, 32000), (680, 31200), (750, 28288), (768, 27625), (780, 27200), (800, 26520), (816, 26000), (832, 25500), (850, 24960), (884, 24000), (960, 22100), (975, 21760), (1000, 21216), (1020, 20800), (1040, 20400), (1088, 19500), (1105, 19200), (1200, 17680), (1248, 17000), (1275, 16640), (1280, 16575), (1300, 16320), (1326, 16000), (1360, 15600), (1500, 14144), (1560, 13600), (1600, 13260), (1625, 13056), (1632, 13000), (1664, 12750), (1700, 12480), (1768, 12000), (1920, 11050), (1950, 10880), (2000, 10608), (2040, 10400), (2080, 10200), (2125, 9984), (2176, 9750), (2210, 9600), (2400, 8840), (2496, 8500), (2550, 8320), (2600, 8160), (2652, 8000), (2720, 7800), (3000, 7072), (3120, 6800), (3200, 6630), (3250, 6528), (3264, 6500), (3315, 6400), (3328, 6375), (3400, 6240), (3536, 6000), (3840, 5525), (3900, 5440), (4000, 5304), (4080, 5200), (4160, 5100), (4250, 4992), (4352, 4875), (4420, 4800)]