21681041256

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 576

約数和(自身を含む): 76435632000

約数和(自身を除く): 54754590744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 37, 42, 51, 54, 56, 63, 68, 72, 74, 81, 84, 102, 108, 111, 119, 126, 136, 148, 149, 153, 162, 168, 189, 204, 216, 222, 238, 243, 252, 259, 289, 296, 298, 306, 324, 333, 357, 378, 408, 444, 447, 459, 476, 486, 504, 518, 567, 578, 596, 612, 629, 648, 666, 714, 756, 777, 867, 888, 894, 918, 952, 972, 999, 1036, 1043, 1071, 1134, 1156, 1192, 1224, 1258, 1332, 1341, 1377, 1428, 1512, 1554, 1701, 1734, 1788, 1836, 1887, 1944, 1998, 2023, 2072, 2086, 2142, 2268, 2312, 2331, 2516, 2533, 2601, 2664, 2682, 2754, 2856, 2997, 3108, 3129, 3213, 3402, 3468, 3576, 3672, 3774, 3996, 4023, 4046, 4131, 4172, 4284, 4403, 4536, 4662, 5032, 5066, 5202, 5364, 5508, 5513, 5661, 5994, 6069, 6216, 6258, 6426, 6804, 6936, 6993, 7548, 7599, 7803, 7992, 8046, 8092, 8262, 8344, 8568, 8806, 8991, 9324, 9387, 9639, 10132, 10404, 10693, 10728, 11016, 11026, 11322, 11988, 12069, 12138, 12516, 12852, 13209, 13608, 13986, 15096, 15198, 15606, 16092, 16184, 16524, 16539, 16983, 17612, 17731, 17982, 18207, 18648, 18774, 19278, 20264, 20808, 20979, 21386, 22052, 22644, 22797, 23409, 23976, 24138, 24276, 25032, 25704, 26418, 27972, 28161, 28917, 30396, 31212, 32079, 32184, 33048, 33078, 33966, 35224, 35462, 35964, 36207, 36414, 37548, 38556, 38591, 39627, 41958, 42772, 43061, 44104, 45288, 45594, 46818, 48276, 48552, 49617, 50949, 52836, 53193, 54621, 55944, 56322, 57834, 60792, 62424, 62937, 64158, 66156, 67932, 68391, 70227, 70924, 71928, 72414, 72828, 74851, 75096, 77112, 77182, 79254, 83916, 84483, 85544, 86122, 91188, 93636, 93721, 96237, 96552, 99234, 101898, 105672, 106386, 109242, 112644, 115668, 115773, 118881, 125874, 128316, 129183, 132312, 135864, 136782, 140454, 141848, 144828, 145656, 148851, 149702, 152847, 154364, 158508, 159579, 163863, 167832, 168966, 172244, 182376, 187272, 187442, 192474, 198468, 203796, 205173, 212772, 218484, 224553, 225288, 231336, 231546, 237762, 251748, 253449, 256632, 258366, 273564, 280908, 281163, 288711, 289656, 297702, 299404, 301427, 305694, 308728, 317016, 319158, 327726, 337932, 344488, 347319, 356643, 374884, 384948, 387549, 396936, 407592, 410346, 425544, 436968, 446553, 449106, 463092, 475524, 478737, 491589, 503496, 506898, 516732, 547128, 561816, 562326, 577422, 595404, 598808, 602854, 611388, 615519, 638316, 655452, 656047, 673659, 675864, 694638, 713286, 749768, 769896, 775098, 820692, 843489, 866133, 893106, 898212, 904281, 926184, 951048, 957474, 983178, 1013796, 1033464, 1041957, 1069929, 1124652, 1154844, 1162647, 1190808, 1205708, 1222776, 1231038, 1276632, 1310904, 1312094, 1339659, 1347318, 1389276, 1426572, 1436211, 1550196, 1593257, 1641384, 1686978, 1732266, 1786212, 1796424, 1808562, 1914948, 1966356, 1968141, 2020977, 2027592, 2083914, 2139858, 2249304, 2309688, 2325294, 2411416, 2462076, 2530467, 2598399, 2624188, 2679318, 2694636, 2712843, 2778552, 2853144, 2872422, 3100392, 3125871, 3186514, 3373956, 3464532, 3487941, 3572424, 3617124, 3829896, 3932712, 3936282, 4041954, 4167828, 4279716, 4308633, 4650588, 4779771, 4924152, 5060934, 5196798, 5248376, 5358636, 5389272, 5425686, 5744844, 5904423, 6062931, 6251742, 6373028, 6747912, 6929064, 6975882, 7234248, 7591401, 7872564, 8083908, 8138529, 8335656, 8559432, 8617266, 9301176, 9377613, 9559542, 10121868, 10393596, 10463823, 10717272, 10851372, 11152799, 11489688, 11808846, 12125862, 12503484, 12746056, 13951764, 14339313, 15182802, 15745128, 16167816, 16277058, 17234532, 17713269, 18188793, 18755226, 19119084, 20243736, 20787192, 20927646, 21702744, 22305598, 22774203, 23617692, 24251724, 24415587, 25006968, 27903528, 28678626, 30365604, 32554116, 33458397, 34469064, 35426538, 36377586, 37510452, 38238168, 41855292, 43017939, 44611196, 45548406, 47235384, 48503448, 48831174, 53139807, 57357252, 60731208, 65108232, 66916794, 70853076, 72755172, 73246761, 75020904, 83710584, 86035878, 89222392, 91096812, 97662348, 100375191, 106279614, 114714504, 129053817, 133833588, 141706152, 145510344, 146493522, 159419421, 172071756, 182193624, 195324696, 200750382, 212559228, 258107634, 267667176, 292987044, 301125573, 318838842, 344143512, 387161451, 401500764, 425118456, 516215268, 585974088, 602251146, 637677684, 774322902, 803001528, 903376719, 1032430536, 1204502292, 1275355368, 1548645804, 1806753438, 2409004584, 2710130157, 3097291608, 3613506876, 5420260314, 7227013752, 10840520628, 21681041256]

約数ペア:

[(1, 21681041256), (2, 10840520628), (3, 7227013752), (4, 5420260314), (6, 3613506876), (7, 3097291608), (8, 2710130157), (9, 2409004584), (12, 1806753438), (14, 1548645804), (17, 1275355368), (18, 1204502292), (21, 1032430536), (24, 903376719), (27, 803001528), (28, 774322902), (34, 637677684), (36, 602251146), (37, 585974088), (42, 516215268), (51, 425118456), (54, 401500764), (56, 387161451), (63, 344143512), (68, 318838842), (72, 301125573), (74, 292987044), (81, 267667176), (84, 258107634), (102, 212559228), (108, 200750382), (111, 195324696), (119, 182193624), (126, 172071756), (136, 159419421), (148, 146493522), (149, 145510344), (153, 141706152), (162, 133833588), (168, 129053817), (189, 114714504), (204, 106279614), (216, 100375191), (222, 97662348), (238, 91096812), (243, 89222392), (252, 86035878), (259, 83710584), (289, 75020904), (296, 73246761), (298, 72755172), (306, 70853076), (324, 66916794), (333, 65108232), (357, 60731208), (378, 57357252), (408, 53139807), (444, 48831174), (447, 48503448), (459, 47235384), (476, 45548406), (486, 44611196), (504, 43017939), (518, 41855292), (567, 38238168), (578, 37510452), (596, 36377586), (612, 35426538), (629, 34469064), (648, 33458397), (666, 32554116), (714, 30365604), (756, 28678626), (777, 27903528), (867, 25006968), (888, 24415587), (894, 24251724), (918, 23617692), (952, 22774203), (972, 22305598), (999, 21702744), (1036, 20927646), (1043, 20787192), (1071, 20243736), (1134, 19119084), (1156, 18755226), (1192, 18188793), (1224, 17713269), (1258, 17234532), (1332, 16277058), (1341, 16167816), (1377, 15745128), (1428, 15182802), (1512, 14339313), (1554, 13951764), (1701, 12746056), (1734, 12503484), (1788, 12125862), (1836, 11808846), (1887, 11489688), (1944, 11152799), (1998, 10851372), (2023, 10717272), (2072, 10463823), (2086, 10393596), (2142, 10121868), (2268, 9559542), (2312, 9377613), (2331, 9301176), (2516, 8617266), (2533, 8559432), (2601, 8335656), (2664, 8138529), (2682, 8083908), (2754, 7872564), (2856, 7591401), (2997, 7234248), (3108, 6975882), (3129, 6929064), (3213, 6747912), (3402, 6373028), (3468, 6251742), (3576, 6062931), (3672, 5904423), (3774, 5744844), (3996, 5425686), (4023, 5389272), (4046, 5358636), (4131, 5248376), (4172, 5196798), (4284, 5060934), (4403, 4924152), (4536, 4779771), (4662, 4650588), (5032, 4308633), (5066, 4279716), (5202, 4167828), (5364, 4041954), (5508, 3936282), (5513, 3932712), (5661, 3829896), (5994, 3617124), (6069, 3572424), (6216, 3487941), (6258, 3464532), (6426, 3373956), (6804, 3186514), (6936, 3125871), (6993, 3100392), (7548, 2872422), (7599, 2853144), (7803, 2778552), (7992, 2712843), (8046, 2694636), (8092, 2679318), (8262, 2624188), (8344, 2598399), (8568, 2530467), (8806, 2462076), (8991, 2411416), (9324, 2325294), (9387, 2309688), (9639, 2249304), (10132, 2139858), (10404, 2083914), (10693, 2027592), (10728, 2020977), (11016, 1968141), (11026, 1966356), (11322, 1914948), (11988, 1808562), (12069, 1796424), (12138, 1786212), (12516, 1732266), (12852, 1686978), (13209, 1641384), (13608, 1593257), (13986, 1550196), (15096, 1436211), (15198, 1426572), (15606, 1389276), (16092, 1347318), (16184, 1339659), (16524, 1312094), (16539, 1310904), (16983, 1276632), (17612, 1231038), (17731, 1222776), (17982, 1205708), (18207, 1190808), (18648, 1162647), (18774, 1154844), (19278, 1124652), (20264, 1069929), (20808, 1041957), (20979, 1033464), (21386, 1013796), (22052, 983178), (22644, 957474), (22797, 951048), (23409, 926184), (23976, 904281), (24138, 898212), (24276, 893106), (25032, 866133), (25704, 843489), (26418, 820692), (27972, 775098), (28161, 769896), (28917, 749768), (30396, 713286), (31212, 694638), (32079, 675864), (32184, 673659), (33048, 656047), (33078, 655452), (33966, 638316), (35224, 615519), (35462, 611388), (35964, 602854), (36207, 598808), (36414, 595404), (37548, 577422), (38556, 562326), (38591, 561816), (39627, 547128), (41958, 516732), (42772, 506898), (43061, 503496), (44104, 491589), (45288, 478737), (45594, 475524), (46818, 463092), (48276, 449106), (48552, 446553), (49617, 436968), (50949, 425544), (52836, 410346), (53193, 407592), (54621, 396936), (55944, 387549), (56322, 384948), (57834, 374884), (60792, 356643), (62424, 347319), (62937, 344488), (64158, 337932), (66156, 327726), (67932, 319158), (68391, 317016), (70227, 308728), (70924, 305694), (71928, 301427), (72414, 299404), (72828, 297702), (74851, 289656), (75096, 288711), (77112, 281163), (77182, 280908), (79254, 273564), (83916, 258366), (84483, 256632), (85544, 253449), (86122, 251748), (91188, 237762), (93636, 231546), (93721, 231336), (96237, 225288), (96552, 224553), (99234, 218484), (101898, 212772), (105672, 205173), (106386, 203796), (109242, 198468), (112644, 192474), (115668, 187442), (115773, 187272), (118881, 182376), (125874, 172244), (128316, 168966), (129183, 167832), (132312, 163863), (135864, 159579), (136782, 158508), (140454, 154364), (141848, 152847), (144828, 149702), (145656, 148851)]