21163671480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{11447}}^1$

素因数の和:11570

約数の個数: 256

約数和(自身を含む): 75963432960

約数和(自身を除く): 54799761480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 71, 84, 93, 105, 120, 124, 140, 142, 155, 168, 186, 210, 213, 217, 248, 280, 284, 310, 355, 372, 420, 426, 434, 465, 497, 568, 620, 651, 710, 744, 840, 852, 868, 930, 994, 1065, 1085, 1240, 1302, 1420, 1491, 1704, 1736, 1860, 1988, 2130, 2170, 2201, 2485, 2604, 2840, 2982, 3255, 3720, 3976, 4260, 4340, 4402, 4970, 5208, 5964, 6510, 6603, 7455, 8520, 8680, 8804, 9940, 11005, 11447, 11928, 13020, 13206, 14910, 15407, 17608, 19880, 22010, 22894, 26040, 26412, 29820, 30814, 33015, 34341, 44020, 45788, 46221, 52824, 57235, 59640, 61628, 66030, 68682, 77035, 80129, 88040, 91576, 92442, 114470, 123256, 132060, 137364, 154070, 160258, 171705, 184884, 228940, 231105, 240387, 264120, 274728, 308140, 320516, 343410, 354857, 369768, 400645, 457880, 462210, 480774, 616280, 641032, 686820, 709714, 801290, 812737, 924420, 961548, 1064571, 1201935, 1373640, 1419428, 1602580, 1625474, 1774285, 1848840, 1923096, 2129142, 2403870, 2438211, 2483999, 2838856, 3205160, 3250948, 3548570, 4063685, 4258284, 4807740, 4876422, 4967998, 5322855, 5689159, 6501896, 7097140, 7451997, 8127370, 8516568, 9615480, 9752844, 9935996, 10645710, 11378318, 12191055, 12419995, 14194280, 14903994, 16254740, 17067477, 19505688, 19871992, 21291420, 22756636, 24382110, 24839990, 25194847, 28445795, 29807988, 32509480, 34134954, 37259985, 42582840, 45513272, 48764220, 49679980, 50389694, 56891590, 59615976, 68269908, 74519970, 75584541, 85337385, 97528440, 99359960, 100779388, 113783180, 125974235, 136539816, 149039940, 151169082, 170674770, 176363929, 201558776, 227566360, 251948470, 298079880, 302338164, 341349540, 352727858, 377922705, 503896940, 529091787, 604676328, 682699080, 705455716, 755845410, 881819645, 1007793880, 1058183574, 1410911432, 1511690820, 1763639290, 2116367148, 2645458935, 3023381640, 3527278580, 4232734296, 5290917870, 7054557160, 10581835740, 21163671480]

約数ペア:

[(1, 21163671480), (2, 10581835740), (3, 7054557160), (4, 5290917870), (5, 4232734296), (6, 3527278580), (7, 3023381640), (8, 2645458935), (10, 2116367148), (12, 1763639290), (14, 1511690820), (15, 1410911432), (20, 1058183574), (21, 1007793880), (24, 881819645), (28, 755845410), (30, 705455716), (31, 682699080), (35, 604676328), (40, 529091787), (42, 503896940), (56, 377922705), (60, 352727858), (62, 341349540), (70, 302338164), (71, 298079880), (84, 251948470), (93, 227566360), (105, 201558776), (120, 176363929), (124, 170674770), (140, 151169082), (142, 149039940), (155, 136539816), (168, 125974235), (186, 113783180), (210, 100779388), (213, 99359960), (217, 97528440), (248, 85337385), (280, 75584541), (284, 74519970), (310, 68269908), (355, 59615976), (372, 56891590), (420, 50389694), (426, 49679980), (434, 48764220), (465, 45513272), (497, 42582840), (568, 37259985), (620, 34134954), (651, 32509480), (710, 29807988), (744, 28445795), (840, 25194847), (852, 24839990), (868, 24382110), (930, 22756636), (994, 21291420), (1065, 19871992), (1085, 19505688), (1240, 17067477), (1302, 16254740), (1420, 14903994), (1491, 14194280), (1704, 12419995), (1736, 12191055), (1860, 11378318), (1988, 10645710), (2130, 9935996), (2170, 9752844), (2201, 9615480), (2485, 8516568), (2604, 8127370), (2840, 7451997), (2982, 7097140), (3255, 6501896), (3720, 5689159), (3976, 5322855), (4260, 4967998), (4340, 4876422), (4402, 4807740), (4970, 4258284), (5208, 4063685), (5964, 3548570), (6510, 3250948), (6603, 3205160), (7455, 2838856), (8520, 2483999), (8680, 2438211), (8804, 2403870), (9940, 2129142), (11005, 1923096), (11447, 1848840), (11928, 1774285), (13020, 1625474), (13206, 1602580), (14910, 1419428), (15407, 1373640), (17608, 1201935), (19880, 1064571), (22010, 961548), (22894, 924420), (26040, 812737), (26412, 801290), (29820, 709714), (30814, 686820), (33015, 641032), (34341, 616280), (44020, 480774), (45788, 462210), (46221, 457880), (52824, 400645), (57235, 369768), (59640, 354857), (61628, 343410), (66030, 320516), (68682, 308140), (77035, 274728), (80129, 264120), (88040, 240387), (91576, 231105), (92442, 228940), (114470, 184884), (123256, 171705), (132060, 160258), (137364, 154070)]