21509154000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{163}}^1\times {\mathrm{7331}}^1$

素因数の和:7523

約数の個数: 240

約数和(自身を含む): 75595500864

約数和(自身を除く): 54086346864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 163, 180, 200, 225, 240, 250, 300, 326, 360, 375, 400, 450, 489, 500, 600, 652, 720, 750, 815, 900, 978, 1000, 1125, 1200, 1304, 1467, 1500, 1630, 1800, 1956, 2000, 2250, 2445, 2608, 2934, 3000, 3260, 3600, 3912, 4075, 4500, 4890, 5868, 6000, 6520, 7331, 7335, 7824, 8150, 9000, 9780, 11736, 12225, 13040, 14662, 14670, 16300, 18000, 19560, 20375, 21993, 23472, 24450, 29324, 29340, 32600, 36655, 36675, 39120, 40750, 43986, 48900, 58648, 58680, 61125, 65200, 65979, 73310, 73350, 81500, 87972, 97800, 109965, 117296, 117360, 122250, 131958, 146620, 146700, 163000, 175944, 183275, 183375, 195600, 219930, 244500, 263916, 293240, 293400, 326000, 329895, 351888, 366550, 366750, 439860, 489000, 527832, 549825, 586480, 586800, 659790, 733100, 733500, 879720, 916375, 978000, 1055664, 1099650, 1194953, 1319580, 1466200, 1467000, 1649475, 1759440, 1832750, 2199300, 2389906, 2639160, 2749125, 2932400, 2934000, 3298950, 3584859, 3665500, 4398600, 4779812, 5278320, 5498250, 5974765, 6597900, 7169718, 7331000, 8247375, 8797200, 9559624, 10754577, 10996500, 11949530, 13195800, 14339436, 14662000, 16494750, 17924295, 19119248, 21509154, 21993000, 23899060, 26391600, 28678872, 29873825, 32989500, 35848590, 43018308, 43986000, 47798120, 53772885, 57357744, 59747650, 65979000, 71697180, 86036616, 89621475, 95596240, 107545770, 119495300, 131958000, 143394360, 149369125, 172073232, 179242950, 215091540, 238990600, 268864425, 286788720, 298738250, 358485900, 430183080, 448107375, 477981200, 537728850, 597476500, 716971800, 860366160, 896214750, 1075457700, 1194953000, 1344322125, 1433943600, 1792429500, 2150915400, 2389906000, 2688644250, 3584859000, 4301830800, 5377288500, 7169718000, 10754577000, 21509154000]

約数ペア:

[(1, 21509154000), (2, 10754577000), (3, 7169718000), (4, 5377288500), (5, 4301830800), (6, 3584859000), (8, 2688644250), (9, 2389906000), (10, 2150915400), (12, 1792429500), (15, 1433943600), (16, 1344322125), (18, 1194953000), (20, 1075457700), (24, 896214750), (25, 860366160), (30, 716971800), (36, 597476500), (40, 537728850), (45, 477981200), (48, 448107375), (50, 430183080), (60, 358485900), (72, 298738250), (75, 286788720), (80, 268864425), (90, 238990600), (100, 215091540), (120, 179242950), (125, 172073232), (144, 149369125), (150, 143394360), (163, 131958000), (180, 119495300), (200, 107545770), (225, 95596240), (240, 89621475), (250, 86036616), (300, 71697180), (326, 65979000), (360, 59747650), (375, 57357744), (400, 53772885), (450, 47798120), (489, 43986000), (500, 43018308), (600, 35848590), (652, 32989500), (720, 29873825), (750, 28678872), (815, 26391600), (900, 23899060), (978, 21993000), (1000, 21509154), (1125, 19119248), (1200, 17924295), (1304, 16494750), (1467, 14662000), (1500, 14339436), (1630, 13195800), (1800, 11949530), (1956, 10996500), (2000, 10754577), (2250, 9559624), (2445, 8797200), (2608, 8247375), (2934, 7331000), (3000, 7169718), (3260, 6597900), (3600, 5974765), (3912, 5498250), (4075, 5278320), (4500, 4779812), (4890, 4398600), (5868, 3665500), (6000, 3584859), (6520, 3298950), (7331, 2934000), (7335, 2932400), (7824, 2749125), (8150, 2639160), (9000, 2389906), (9780, 2199300), (11736, 1832750), (12225, 1759440), (13040, 1649475), (14662, 1467000), (14670, 1466200), (16300, 1319580), (18000, 1194953), (19560, 1099650), (20375, 1055664), (21993, 978000), (23472, 916375), (24450, 879720), (29324, 733500), (29340, 733100), (32600, 659790), (36655, 586800), (36675, 586480), (39120, 549825), (40750, 527832), (43986, 489000), (48900, 439860), (58648, 366750), (58680, 366550), (61125, 351888), (65200, 329895), (65979, 326000), (73310, 293400), (73350, 293240), (81500, 263916), (87972, 244500), (97800, 219930), (109965, 195600), (117296, 183375), (117360, 183275), (122250, 175944), (131958, 163000), (146620, 146700)]