21256860456

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:739

約数の個数: 384

約数和(自身を含む): 68020592640

約数和(自身を除く): 46763732184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 43, 52, 54, 62, 72, 78, 81, 86, 93, 104, 108, 117, 124, 129, 156, 162, 172, 186, 216, 234, 243, 248, 258, 279, 312, 324, 344, 351, 372, 387, 403, 468, 486, 516, 558, 559, 631, 648, 702, 744, 774, 806, 837, 936, 972, 1032, 1053, 1116, 1118, 1161, 1209, 1262, 1333, 1404, 1548, 1612, 1674, 1677, 1893, 1944, 2106, 2232, 2236, 2322, 2418, 2511, 2524, 2666, 2808, 3096, 3159, 3224, 3348, 3354, 3483, 3627, 3786, 3999, 4212, 4472, 4644, 4836, 5022, 5031, 5048, 5332, 5679, 6318, 6696, 6708, 6966, 7254, 7533, 7572, 7998, 8203, 8424, 9288, 9672, 10044, 10062, 10449, 10664, 10881, 11358, 11997, 12636, 13416, 13932, 14508, 15066, 15093, 15144, 15996, 16406, 17037, 17329, 19561, 20088, 20124, 20898, 21762, 22716, 23994, 24609, 25272, 27133, 27864, 29016, 30132, 30186, 31992, 32643, 32812, 34074, 34658, 35991, 39122, 40248, 41796, 43524, 45279, 45432, 47988, 49218, 51111, 51987, 54266, 58683, 60264, 60372, 65286, 65624, 68148, 69316, 71982, 73827, 78244, 81399, 83592, 87048, 90558, 95976, 97929, 98436, 102222, 103974, 107973, 108532, 117366, 120744, 130572, 135837, 136296, 138632, 143964, 147654, 153333, 155961, 156488, 162798, 176049, 181116, 195858, 196872, 204444, 207948, 215946, 217064, 221481, 234732, 244197, 254293, 261144, 271674, 287928, 295308, 306666, 311922, 323919, 325596, 352098, 352729, 362232, 391716, 408888, 415896, 431892, 442962, 467883, 469464, 488394, 508586, 528147, 543348, 590616, 613332, 623844, 647838, 651192, 664443, 704196, 705458, 732591, 762879, 783432, 841123, 863784, 885924, 935766, 976788, 1017172, 1056294, 1058187, 1086696, 1226664, 1247688, 1295676, 1328886, 1403649, 1408392, 1410916, 1465182, 1525758, 1584441, 1682246, 1771848, 1871532, 1953576, 1993329, 2034344, 2112588, 2116374, 2197773, 2288637, 2523369, 2591352, 2657772, 2807298, 2821832, 2930364, 3051516, 3168882, 3174561, 3364492, 3743064, 3986658, 4210947, 4225176, 4232748, 4395546, 4577274, 4753323, 5046738, 5315544, 5614596, 5860728, 6103032, 6337764, 6349122, 6593319, 6728984, 6865911, 7570107, 7973316, 8421894, 8465496, 8791092, 9154548, 9506646, 9523683, 10093476, 10934599, 11229192, 12675528, 12698244, 13186638, 13731822, 15140214, 15946632, 16843788, 17582184, 18309096, 19013292, 19047366, 20186952, 20597733, 21869198, 22710321, 25396488, 26373276, 27463644, 28571049, 30280428, 32803797, 33687576, 38026584, 38094732, 41195466, 43738396, 45420642, 52746552, 54927288, 57142098, 60560856, 61793199, 65607594, 68130963, 76189464, 82390932, 85713147, 87476792, 90841284, 98411391, 114284196, 123586398, 131215188, 136261926, 164781864, 171426294, 181682568, 196822782, 204392889, 228568392, 247172796, 262430376, 272523852, 295234173, 342852588, 393645564, 408785778, 494345592, 545047704, 590468346, 685705176, 787291128, 817571556, 885702519, 1180936692, 1635143112, 1771405038, 2361873384, 2657107557, 3542810076, 5314215114, 7085620152, 10628430228, 21256860456]

約数ペア:

[(1, 21256860456), (2, 10628430228), (3, 7085620152), (4, 5314215114), (6, 3542810076), (8, 2657107557), (9, 2361873384), (12, 1771405038), (13, 1635143112), (18, 1180936692), (24, 885702519), (26, 817571556), (27, 787291128), (31, 685705176), (36, 590468346), (39, 545047704), (43, 494345592), (52, 408785778), (54, 393645564), (62, 342852588), (72, 295234173), (78, 272523852), (81, 262430376), (86, 247172796), (93, 228568392), (104, 204392889), (108, 196822782), (117, 181682568), (124, 171426294), (129, 164781864), (156, 136261926), (162, 131215188), (172, 123586398), (186, 114284196), (216, 98411391), (234, 90841284), (243, 87476792), (248, 85713147), (258, 82390932), (279, 76189464), (312, 68130963), (324, 65607594), (344, 61793199), (351, 60560856), (372, 57142098), (387, 54927288), (403, 52746552), (468, 45420642), (486, 43738396), (516, 41195466), (558, 38094732), (559, 38026584), (631, 33687576), (648, 32803797), (702, 30280428), (744, 28571049), (774, 27463644), (806, 26373276), (837, 25396488), (936, 22710321), (972, 21869198), (1032, 20597733), (1053, 20186952), (1116, 19047366), (1118, 19013292), (1161, 18309096), (1209, 17582184), (1262, 16843788), (1333, 15946632), (1404, 15140214), (1548, 13731822), (1612, 13186638), (1674, 12698244), (1677, 12675528), (1893, 11229192), (1944, 10934599), (2106, 10093476), (2232, 9523683), (2236, 9506646), (2322, 9154548), (2418, 8791092), (2511, 8465496), (2524, 8421894), (2666, 7973316), (2808, 7570107), (3096, 6865911), (3159, 6728984), (3224, 6593319), (3348, 6349122), (3354, 6337764), (3483, 6103032), (3627, 5860728), (3786, 5614596), (3999, 5315544), (4212, 5046738), (4472, 4753323), (4644, 4577274), (4836, 4395546), (5022, 4232748), (5031, 4225176), (5048, 4210947), (5332, 3986658), (5679, 3743064), (6318, 3364492), (6696, 3174561), (6708, 3168882), (6966, 3051516), (7254, 2930364), (7533, 2821832), (7572, 2807298), (7998, 2657772), (8203, 2591352), (8424, 2523369), (9288, 2288637), (9672, 2197773), (10044, 2116374), (10062, 2112588), (10449, 2034344), (10664, 1993329), (10881, 1953576), (11358, 1871532), (11997, 1771848), (12636, 1682246), (13416, 1584441), (13932, 1525758), (14508, 1465182), (15066, 1410916), (15093, 1408392), (15144, 1403649), (15996, 1328886), (16406, 1295676), (17037, 1247688), (17329, 1226664), (19561, 1086696), (20088, 1058187), (20124, 1056294), (20898, 1017172), (21762, 976788), (22716, 935766), (23994, 885924), (24609, 863784), (25272, 841123), (27133, 783432), (27864, 762879), (29016, 732591), (30132, 705458), (30186, 704196), (31992, 664443), (32643, 651192), (32812, 647838), (34074, 623844), (34658, 613332), (35991, 590616), (39122, 543348), (40248, 528147), (41796, 508586), (43524, 488394), (45279, 469464), (45432, 467883), (47988, 442962), (49218, 431892), (51111, 415896), (51987, 408888), (54266, 391716), (58683, 362232), (60264, 352729), (60372, 352098), (65286, 325596), (65624, 323919), (68148, 311922), (69316, 306666), (71982, 295308), (73827, 287928), (78244, 271674), (81399, 261144), (83592, 254293), (87048, 244197), (90558, 234732), (95976, 221481), (97929, 217064), (98436, 215946), (102222, 207948), (103974, 204444), (107973, 196872), (108532, 195858), (117366, 181116), (120744, 176049), (130572, 162798), (135837, 156488), (136296, 155961), (138632, 153333), (143964, 147654)]