21000514800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{2063}}^1$

素因数の和:2600

約数の個数: 240

約数和(自身を含む): 71406144000

約数和(自身を除く): 50405629200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 499, 510, 600, 680, 816, 850, 998, 1020, 1200, 1275, 1360, 1497, 1700, 1996, 2040, 2063, 2495, 2550, 2994, 3400, 3992, 4080, 4126, 4990, 5100, 5988, 6189, 6800, 7485, 7984, 8252, 8483, 9980, 10200, 10315, 11976, 12378, 12475, 14970, 16504, 16966, 19960, 20400, 20630, 23952, 24756, 24950, 25449, 29940, 30945, 33008, 33932, 35071, 37425, 39920, 41260, 42415, 49512, 49900, 50898, 51575, 59880, 61890, 67864, 70142, 74850, 82520, 84830, 99024, 99800, 101796, 103150, 105213, 119760, 123780, 127245, 135728, 140284, 149700, 154725, 165040, 169660, 175355, 199600, 203592, 206300, 210426, 212075, 247560, 254490, 280568, 299400, 309450, 339320, 350710, 407184, 412600, 420852, 424150, 495120, 508980, 526065, 561136, 598800, 618900, 636225, 678640, 701420, 825200, 841704, 848300, 876775, 1017960, 1029437, 1052130, 1237800, 1272450, 1402840, 1683408, 1696600, 1753550, 2035920, 2058874, 2104260, 2475600, 2544900, 2630325, 2805680, 3088311, 3393200, 3507100, 4117748, 4208520, 5089800, 5147185, 5260650, 6176622, 7014200, 8235496, 8417040, 10179600, 10294370, 10521300, 12353244, 14028400, 15441555, 16470992, 17500429, 20588740, 21042600, 24706488, 25735925, 30883110, 35000858, 41177480, 42085200, 49412976, 51471850, 52501287, 61766220, 70001716, 77207775, 82354960, 87502145, 102943700, 105002574, 123532440, 140003432, 154415550, 175004290, 205887400, 210005148, 247064880, 262506435, 280006864, 308831100, 350008580, 411774800, 420010296, 437510725, 525012870, 617662200, 700017160, 840020592, 875021450, 1050025740, 1235324400, 1312532175, 1400034320, 1750042900, 2100051480, 2625064350, 3500085800, 4200102960, 5250128700, 7000171600, 10500257400, 21000514800]

約数ペア:

[(1, 21000514800), (2, 10500257400), (3, 7000171600), (4, 5250128700), (5, 4200102960), (6, 3500085800), (8, 2625064350), (10, 2100051480), (12, 1750042900), (15, 1400034320), (16, 1312532175), (17, 1235324400), (20, 1050025740), (24, 875021450), (25, 840020592), (30, 700017160), (34, 617662200), (40, 525012870), (48, 437510725), (50, 420010296), (51, 411774800), (60, 350008580), (68, 308831100), (75, 280006864), (80, 262506435), (85, 247064880), (100, 210005148), (102, 205887400), (120, 175004290), (136, 154415550), (150, 140003432), (170, 123532440), (200, 105002574), (204, 102943700), (240, 87502145), (255, 82354960), (272, 77207775), (300, 70001716), (340, 61766220), (400, 52501287), (408, 51471850), (425, 49412976), (499, 42085200), (510, 41177480), (600, 35000858), (680, 30883110), (816, 25735925), (850, 24706488), (998, 21042600), (1020, 20588740), (1200, 17500429), (1275, 16470992), (1360, 15441555), (1497, 14028400), (1700, 12353244), (1996, 10521300), (2040, 10294370), (2063, 10179600), (2495, 8417040), (2550, 8235496), (2994, 7014200), (3400, 6176622), (3992, 5260650), (4080, 5147185), (4126, 5089800), (4990, 4208520), (5100, 4117748), (5988, 3507100), (6189, 3393200), (6800, 3088311), (7485, 2805680), (7984, 2630325), (8252, 2544900), (8483, 2475600), (9980, 2104260), (10200, 2058874), (10315, 2035920), (11976, 1753550), (12378, 1696600), (12475, 1683408), (14970, 1402840), (16504, 1272450), (16966, 1237800), (19960, 1052130), (20400, 1029437), (20630, 1017960), (23952, 876775), (24756, 848300), (24950, 841704), (25449, 825200), (29940, 701420), (30945, 678640), (33008, 636225), (33932, 618900), (35071, 598800), (37425, 561136), (39920, 526065), (41260, 508980), (42415, 495120), (49512, 424150), (49900, 420852), (50898, 412600), (51575, 407184), (59880, 350710), (61890, 339320), (67864, 309450), (70142, 299400), (74850, 280568), (82520, 254490), (84830, 247560), (99024, 212075), (99800, 210426), (101796, 206300), (103150, 203592), (105213, 199600), (119760, 175355), (123780, 169660), (127245, 165040), (135728, 154725), (140284, 149700)]