21000279720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{3011}}^1$

素因数の和:3093

約数の個数: 384

約数和(自身を含む): 79320176640

約数和(自身を除く): 58319896920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 56, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 120, 133, 138, 140, 152, 161, 168, 184, 190, 210, 228, 230, 266, 276, 280, 285, 322, 345, 361, 380, 399, 420, 437, 456, 460, 483, 532, 552, 570, 644, 665, 690, 722, 760, 798, 805, 840, 874, 920, 966, 1064, 1083, 1140, 1288, 1311, 1330, 1380, 1444, 1596, 1610, 1748, 1805, 1932, 1995, 2166, 2185, 2280, 2415, 2527, 2622, 2660, 2760, 2888, 3011, 3059, 3192, 3220, 3496, 3610, 3864, 3990, 4332, 4370, 4830, 5054, 5244, 5320, 5415, 6022, 6118, 6440, 6555, 7220, 7581, 7980, 8303, 8664, 8740, 9033, 9177, 9660, 10108, 10488, 10830, 12044, 12236, 12635, 13110, 14440, 15055, 15162, 15295, 15960, 16606, 17480, 18066, 18354, 19320, 20216, 21077, 21660, 24088, 24472, 24909, 25270, 26220, 30110, 30324, 30590, 33212, 36132, 36708, 37905, 41515, 42154, 43320, 45165, 45885, 49818, 50540, 52440, 57209, 58121, 60220, 60648, 61180, 63231, 66424, 69253, 72264, 73416, 75810, 83030, 84308, 90330, 91770, 99636, 101080, 105385, 114418, 116242, 120440, 122360, 124545, 126462, 138506, 151620, 166060, 168616, 171627, 174363, 180660, 183540, 199272, 207759, 210770, 228836, 232484, 249090, 252924, 277012, 286045, 290605, 303240, 316155, 332120, 343254, 346265, 348726, 361320, 367080, 400463, 415518, 421540, 457672, 464968, 484771, 498180, 505848, 554024, 572090, 581210, 632310, 686508, 692530, 697452, 800926, 831036, 843080, 858135, 871815, 969542, 996360, 1038795, 1086971, 1144180, 1162420, 1201389, 1264620, 1315807, 1373016, 1385060, 1394904, 1454313, 1601852, 1662072, 1716270, 1743630, 1939084, 2002315, 2077590, 2173942, 2288360, 2324840, 2402778, 2423855, 2529240, 2631614, 2770120, 2908626, 3203704, 3260913, 3432540, 3487260, 3878168, 3947421, 4004630, 4155180, 4347884, 4805556, 4847710, 5263228, 5434855, 5817252, 6006945, 6521826, 6579035, 6865080, 6974520, 7271565, 7608797, 7894842, 8009260, 8310360, 8695768, 9210649, 9611112, 9695420, 10526456, 10869710, 11634504, 12013890, 13043652, 13158070, 14543130, 15217594, 15789684, 16018520, 16304565, 18421298, 19390840, 19737105, 21739420, 22826391, 24027780, 25000333, 26087304, 26316140, 27631947, 29086260, 30435188, 31579368, 32609130, 36842596, 38043985, 39474210, 43478840, 45652782, 46053245, 48055560, 50000666, 52632280, 55263894, 58172520, 60870376, 65218260, 73685192, 75000999, 76087970, 78948420, 91305564, 92106490, 100001332, 110527788, 114131955, 125001665, 130436520, 138159735, 150001998, 152175940, 157896840, 175002331, 182611128, 184212980, 200002664, 221055576, 228263910, 250003330, 276319470, 300003996, 304351880, 350004662, 368425960, 375004995, 456527820, 500006660, 525006993, 552638940, 600007992, 700009324, 750009990, 875011655, 913055640, 1000013320, 1050013986, 1105277880, 1400018648, 1500019980, 1750023310, 2100027972, 2625034965, 3000039960, 3500046620, 4200055944, 5250069930, 7000093240, 10500139860, 21000279720]

約数ペア:

[(1, 21000279720), (2, 10500139860), (3, 7000093240), (4, 5250069930), (5, 4200055944), (6, 3500046620), (7, 3000039960), (8, 2625034965), (10, 2100027972), (12, 1750023310), (14, 1500019980), (15, 1400018648), (19, 1105277880), (20, 1050013986), (21, 1000013320), (23, 913055640), (24, 875011655), (28, 750009990), (30, 700009324), (35, 600007992), (38, 552638940), (40, 525006993), (42, 500006660), (46, 456527820), (56, 375004995), (57, 368425960), (60, 350004662), (69, 304351880), (70, 300003996), (76, 276319470), (84, 250003330), (92, 228263910), (95, 221055576), (105, 200002664), (114, 184212980), (115, 182611128), (120, 175002331), (133, 157896840), (138, 152175940), (140, 150001998), (152, 138159735), (161, 130436520), (168, 125001665), (184, 114131955), (190, 110527788), (210, 100001332), (228, 92106490), (230, 91305564), (266, 78948420), (276, 76087970), (280, 75000999), (285, 73685192), (322, 65218260), (345, 60870376), (361, 58172520), (380, 55263894), (399, 52632280), (420, 50000666), (437, 48055560), (456, 46053245), (460, 45652782), (483, 43478840), (532, 39474210), (552, 38043985), (570, 36842596), (644, 32609130), (665, 31579368), (690, 30435188), (722, 29086260), (760, 27631947), (798, 26316140), (805, 26087304), (840, 25000333), (874, 24027780), (920, 22826391), (966, 21739420), (1064, 19737105), (1083, 19390840), (1140, 18421298), (1288, 16304565), (1311, 16018520), (1330, 15789684), (1380, 15217594), (1444, 14543130), (1596, 13158070), (1610, 13043652), (1748, 12013890), (1805, 11634504), (1932, 10869710), (1995, 10526456), (2166, 9695420), (2185, 9611112), (2280, 9210649), (2415, 8695768), (2527, 8310360), (2622, 8009260), (2660, 7894842), (2760, 7608797), (2888, 7271565), (3011, 6974520), (3059, 6865080), (3192, 6579035), (3220, 6521826), (3496, 6006945), (3610, 5817252), (3864, 5434855), (3990, 5263228), (4332, 4847710), (4370, 4805556), (4830, 4347884), (5054, 4155180), (5244, 4004630), (5320, 3947421), (5415, 3878168), (6022, 3487260), (6118, 3432540), (6440, 3260913), (6555, 3203704), (7220, 2908626), (7581, 2770120), (7980, 2631614), (8303, 2529240), (8664, 2423855), (8740, 2402778), (9033, 2324840), (9177, 2288360), (9660, 2173942), (10108, 2077590), (10488, 2002315), (10830, 1939084), (12044, 1743630), (12236, 1716270), (12635, 1662072), (13110, 1601852), (14440, 1454313), (15055, 1394904), (15162, 1385060), (15295, 1373016), (15960, 1315807), (16606, 1264620), (17480, 1201389), (18066, 1162420), (18354, 1144180), (19320, 1086971), (20216, 1038795), (21077, 996360), (21660, 969542), (24088, 871815), (24472, 858135), (24909, 843080), (25270, 831036), (26220, 800926), (30110, 697452), (30324, 692530), (30590, 686508), (33212, 632310), (36132, 581210), (36708, 572090), (37905, 554024), (41515, 505848), (42154, 498180), (43320, 484771), (45165, 464968), (45885, 457672), (49818, 421540), (50540, 415518), (52440, 400463), (57209, 367080), (58121, 361320), (60220, 348726), (60648, 346265), (61180, 343254), (63231, 332120), (66424, 316155), (69253, 303240), (72264, 290605), (73416, 286045), (75810, 277012), (83030, 252924), (84308, 249090), (90330, 232484), (91770, 228836), (99636, 210770), (101080, 207759), (105385, 199272), (114418, 183540), (116242, 180660), (120440, 174363), (122360, 171627), (124545, 168616), (126462, 166060), (138506, 151620)]