21015405180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:847

約数の個数: 576

約数和(自身を含む): 83894952960

約数和(自身を除く): 62879547780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 103, 105, 108, 110, 126, 132, 135, 140, 147, 154, 165, 180, 189, 196, 198, 206, 210, 220, 231, 245, 252, 270, 294, 297, 308, 309, 315, 330, 378, 385, 396, 412, 420, 441, 462, 490, 495, 515, 539, 540, 588, 594, 618, 630, 660, 693, 701, 721, 735, 756, 770, 882, 924, 927, 945, 980, 990, 1030, 1078, 1133, 1155, 1188, 1236, 1260, 1323, 1386, 1402, 1442, 1470, 1485, 1540, 1545, 1617, 1764, 1854, 1890, 1980, 2060, 2079, 2103, 2156, 2163, 2205, 2266, 2310, 2646, 2695, 2772, 2781, 2804, 2884, 2940, 2970, 3090, 3234, 3399, 3465, 3505, 3605, 3708, 3780, 4158, 4206, 4326, 4410, 4532, 4620, 4635, 4851, 4907, 5047, 5292, 5390, 5562, 5665, 5940, 6180, 6309, 6468, 6489, 6615, 6798, 6930, 7010, 7210, 7711, 7931, 8085, 8316, 8412, 8652, 8820, 9270, 9702, 9814, 10094, 10197, 10395, 10515, 10780, 10815, 11124, 11330, 12618, 12978, 13230, 13596, 13860, 13905, 14020, 14420, 14553, 14721, 15141, 15422, 15862, 16170, 16995, 18540, 18927, 19404, 19467, 19628, 20188, 20394, 20790, 21030, 21630, 22660, 23133, 23793, 24255, 24535, 25235, 25236, 25956, 26460, 27810, 29106, 29442, 30282, 30591, 30844, 31545, 31724, 32340, 32445, 33990, 34349, 37854, 38555, 38934, 39655, 40788, 41580, 42060, 43260, 44163, 45423, 46266, 47586, 48510, 49070, 50470, 50985, 53977, 55517, 55620, 58212, 58884, 60564, 61182, 63090, 64890, 67980, 68698, 69399, 71379, 72203, 72765, 73605, 75705, 75708, 77110, 77868, 79310, 88326, 90846, 92532, 94635, 95172, 97020, 97335, 98140, 100940, 101970, 103047, 107954, 111034, 115665, 118965, 122364, 126180, 129780, 132489, 136269, 137396, 138798, 142758, 144406, 145530, 147210, 151410, 152955, 154220, 158620, 161931, 166551, 171745, 176652, 181692, 189270, 194670, 203940, 206094, 208197, 214137, 215908, 216609, 220815, 222068, 227115, 231330, 237930, 264978, 269885, 272538, 277585, 277596, 285516, 288812, 291060, 294420, 302820, 305910, 309141, 323862, 333102, 343490, 346995, 356895, 361015, 377839, 378540, 389340, 412188, 416394, 428274, 433218, 441630, 454230, 462660, 475860, 485793, 499653, 505421, 515235, 529956, 539770, 545076, 555170, 611820, 618282, 647724, 649827, 662445, 666204, 681345, 686980, 693990, 713790, 722030, 755678, 794233, 809655, 832755, 832788, 856548, 866436, 883260, 908460, 927423, 971586, 999306, 1010842, 1030470, 1040985, 1070685, 1079540, 1083045, 1110340, 1133517, 1236564, 1299654, 1324890, 1362690, 1387980, 1427580, 1444060, 1457379, 1498959, 1511356, 1516263, 1545705, 1588466, 1619310, 1665510, 1854846, 1889195, 1943172, 1949481, 1998612, 2021684, 2060940, 2081970, 2141370, 2166090, 2267034, 2382699, 2428965, 2498265, 2527105, 2599308, 2649780, 2725380, 2914758, 2997918, 3032526, 3091410, 3176932, 3238620, 3249135, 3331020, 3400551, 3537947, 3709692, 3778390, 3898962, 3971165, 4163940, 4282740, 4332180, 4534068, 4548789, 4637115, 4765398, 4857930, 4996530, 5054210, 5559631, 5667585, 5829516, 5995836, 6065052, 6182820, 6498270, 6801102, 7075894, 7148097, 7286895, 7494795, 7556780, 7581315, 7797924, 7942330, 9097578, 9274230, 9530796, 9715860, 9747405, 9993060, 10108420, 10201653, 10613841, 11119262, 11335170, 11913495, 12996540, 13602204, 13646367, 14151788, 14296194, 14573790, 14989590, 15162630, 15884660, 16678893, 17002755, 17689735, 18195156, 18548460, 19494810, 20403306, 21227682, 21444291, 22238524, 22670340, 22743945, 23826990, 27292734, 27798155, 28592388, 29147580, 29979180, 30325260, 31841523, 33357786, 34005510, 35379470, 35740485, 38917417, 38989620, 40806612, 42455364, 42888582, 45487890, 47653980, 50036679, 51008265, 53069205, 54585468, 55596310, 63683046, 66715572, 68011020, 68231835, 70758940, 71480970, 77834834, 83394465, 85777164, 90975780, 95524569, 100073358, 102016530, 106138410, 107221455, 111192620, 116752251, 127366092, 136463670, 142961940, 150110037, 155669668, 159207615, 166788930, 191049138, 194587085, 200146716, 204033060, 212276820, 214442910, 233504502, 250183395, 272927340, 300220074, 318415230, 333577860, 350256753, 382098276, 389174170, 428885820, 467009004, 477622845, 500366790, 583761255, 600440148, 636830460, 700513506, 750550185, 778348340, 955245690, 1000733580, 1050770259, 1167522510, 1401027012, 1501100370, 1751283765, 1910491380, 2101540518, 2335045020, 3002200740, 3502567530, 4203081036, 5253851295, 7005135060, 10507702590, 21015405180]

約数ペア:

[(1, 21015405180), (2, 10507702590), (3, 7005135060), (4, 5253851295), (5, 4203081036), (6, 3502567530), (7, 3002200740), (9, 2335045020), (10, 2101540518), (11, 1910491380), (12, 1751283765), (14, 1501100370), (15, 1401027012), (18, 1167522510), (20, 1050770259), (21, 1000733580), (22, 955245690), (27, 778348340), (28, 750550185), (30, 700513506), (33, 636830460), (35, 600440148), (36, 583761255), (42, 500366790), (44, 477622845), (45, 467009004), (49, 428885820), (54, 389174170), (55, 382098276), (60, 350256753), (63, 333577860), (66, 318415230), (70, 300220074), (77, 272927340), (84, 250183395), (90, 233504502), (98, 214442910), (99, 212276820), (103, 204033060), (105, 200146716), (108, 194587085), (110, 191049138), (126, 166788930), (132, 159207615), (135, 155669668), (140, 150110037), (147, 142961940), (154, 136463670), (165, 127366092), (180, 116752251), (189, 111192620), (196, 107221455), (198, 106138410), (206, 102016530), (210, 100073358), (220, 95524569), (231, 90975780), (245, 85777164), (252, 83394465), (270, 77834834), (294, 71480970), (297, 70758940), (308, 68231835), (309, 68011020), (315, 66715572), (330, 63683046), (378, 55596310), (385, 54585468), (396, 53069205), (412, 51008265), (420, 50036679), (441, 47653980), (462, 45487890), (490, 42888582), (495, 42455364), (515, 40806612), (539, 38989620), (540, 38917417), (588, 35740485), (594, 35379470), (618, 34005510), (630, 33357786), (660, 31841523), (693, 30325260), (701, 29979180), (721, 29147580), (735, 28592388), (756, 27798155), (770, 27292734), (882, 23826990), (924, 22743945), (927, 22670340), (945, 22238524), (980, 21444291), (990, 21227682), (1030, 20403306), (1078, 19494810), (1133, 18548460), (1155, 18195156), (1188, 17689735), (1236, 17002755), (1260, 16678893), (1323, 15884660), (1386, 15162630), (1402, 14989590), (1442, 14573790), (1470, 14296194), (1485, 14151788), (1540, 13646367), (1545, 13602204), (1617, 12996540), (1764, 11913495), (1854, 11335170), (1890, 11119262), (1980, 10613841), (2060, 10201653), (2079, 10108420), (2103, 9993060), (2156, 9747405), (2163, 9715860), (2205, 9530796), (2266, 9274230), (2310, 9097578), (2646, 7942330), (2695, 7797924), (2772, 7581315), (2781, 7556780), (2804, 7494795), (2884, 7286895), (2940, 7148097), (2970, 7075894), (3090, 6801102), (3234, 6498270), (3399, 6182820), (3465, 6065052), (3505, 5995836), (3605, 5829516), (3708, 5667585), (3780, 5559631), (4158, 5054210), (4206, 4996530), (4326, 4857930), (4410, 4765398), (4532, 4637115), (4620, 4548789), (4635, 4534068), (4851, 4332180), (4907, 4282740), (5047, 4163940), (5292, 3971165), (5390, 3898962), (5562, 3778390), (5665, 3709692), (5940, 3537947), (6180, 3400551), (6309, 3331020), (6468, 3249135), (6489, 3238620), (6615, 3176932), (6798, 3091410), (6930, 3032526), (7010, 2997918), (7210, 2914758), (7711, 2725380), (7931, 2649780), (8085, 2599308), (8316, 2527105), (8412, 2498265), (8652, 2428965), (8820, 2382699), (9270, 2267034), (9702, 2166090), (9814, 2141370), (10094, 2081970), (10197, 2060940), (10395, 2021684), (10515, 1998612), (10780, 1949481), (10815, 1943172), (11124, 1889195), (11330, 1854846), (12618, 1665510), (12978, 1619310), (13230, 1588466), (13596, 1545705), (13860, 1516263), (13905, 1511356), (14020, 1498959), (14420, 1457379), (14553, 1444060), (14721, 1427580), (15141, 1387980), (15422, 1362690), (15862, 1324890), (16170, 1299654), (16995, 1236564), (18540, 1133517), (18927, 1110340), (19404, 1083045), (19467, 1079540), (19628, 1070685), (20188, 1040985), (20394, 1030470), (20790, 1010842), (21030, 999306), (21630, 971586), (22660, 927423), (23133, 908460), (23793, 883260), (24255, 866436), (24535, 856548), (25235, 832788), (25236, 832755), (25956, 809655), (26460, 794233), (27810, 755678), (29106, 722030), (29442, 713790), (30282, 693990), (30591, 686980), (30844, 681345), (31545, 666204), (31724, 662445), (32340, 649827), (32445, 647724), (33990, 618282), (34349, 611820), (37854, 555170), (38555, 545076), (38934, 539770), (39655, 529956), (40788, 515235), (41580, 505421), (42060, 499653), (43260, 485793), (44163, 475860), (45423, 462660), (46266, 454230), (47586, 441630), (48510, 433218), (49070, 428274), (50470, 416394), (50985, 412188), (53977, 389340), (55517, 378540), (55620, 377839), (58212, 361015), (58884, 356895), (60564, 346995), (61182, 343490), (63090, 333102), (64890, 323862), (67980, 309141), (68698, 305910), (69399, 302820), (71379, 294420), (72203, 291060), (72765, 288812), (73605, 285516), (75705, 277596), (75708, 277585), (77110, 272538), (77868, 269885), (79310, 264978), (88326, 237930), (90846, 231330), (92532, 227115), (94635, 222068), (95172, 220815), (97020, 216609), (97335, 215908), (98140, 214137), (100940, 208197), (101970, 206094), (103047, 203940), (107954, 194670), (111034, 189270), (115665, 181692), (118965, 176652), (122364, 171745), (126180, 166551), (129780, 161931), (132489, 158620), (136269, 154220), (137396, 152955), (138798, 151410), (142758, 147210), (144406, 145530)]