21207819360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:683

約数の個数: 576

約数和(自身を含む): 84460320000

約数和(自身を除く): 63252500640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 139, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 278, 280, 294, 312, 336, 364, 390, 392, 416, 417, 420, 455, 480, 490, 499, 520, 546, 556, 560, 588, 624, 637, 672, 695, 728, 735, 780, 784, 834, 840, 910, 973, 980, 998, 1040, 1092, 1112, 1120, 1176, 1248, 1274, 1365, 1390, 1456, 1470, 1497, 1560, 1568, 1668, 1680, 1807, 1820, 1911, 1946, 1960, 1996, 2080, 2085, 2184, 2224, 2352, 2495, 2548, 2730, 2780, 2912, 2919, 2940, 2994, 3120, 3185, 3336, 3360, 3493, 3614, 3640, 3822, 3892, 3920, 3992, 4170, 4368, 4448, 4704, 4865, 4990, 5096, 5421, 5460, 5560, 5838, 5880, 5988, 6240, 6370, 6487, 6672, 6811, 6986, 7228, 7280, 7485, 7644, 7784, 7840, 7984, 8340, 8736, 9035, 9555, 9730, 9980, 10192, 10479, 10842, 10920, 11120, 11676, 11760, 11976, 12649, 12740, 12974, 13344, 13622, 13972, 14456, 14560, 14595, 14970, 15288, 15568, 15968, 16680, 17465, 18070, 19110, 19460, 19461, 19960, 20384, 20433, 20958, 21684, 21840, 22240, 23352, 23520, 23952, 24451, 25298, 25480, 25948, 27105, 27244, 27944, 28912, 29190, 29940, 30576, 31136, 32435, 33360, 34055, 34930, 36140, 37947, 38220, 38920, 38922, 39920, 40866, 41916, 43368, 43680, 45409, 46704, 47904, 48902, 50596, 50960, 51896, 52395, 54210, 54488, 55888, 57824, 58380, 59880, 61152, 63245, 64870, 66720, 68110, 69361, 69860, 72280, 73353, 75894, 76440, 77840, 77844, 79840, 81732, 83832, 86736, 88543, 90818, 93408, 97305, 97804, 101192, 101920, 102165, 103792, 104790, 108420, 108976, 111776, 116760, 119760, 122255, 126490, 129740, 136220, 136227, 138722, 139720, 144560, 146706, 151788, 152880, 155680, 155688, 163464, 167664, 173472, 177086, 181636, 189735, 194610, 195608, 202384, 204330, 207584, 208083, 209580, 216840, 217952, 227045, 233520, 239520, 244510, 252980, 259480, 265629, 272440, 272454, 277444, 279440, 289120, 293412, 303576, 305760, 311376, 317863, 326928, 335328, 346805, 354172, 363272, 366765, 379470, 389220, 391216, 404768, 408660, 416166, 419160, 433680, 442715, 454090, 467040, 485527, 489020, 505960, 518960, 531258, 544880, 544908, 554888, 558880, 586824, 607152, 622752, 635726, 653856, 681135, 693610, 708344, 726544, 733530, 758940, 778440, 782432, 817320, 832332, 838320, 867360, 885430, 901693, 908180, 953589, 971054, 978040, 1011920, 1037920, 1040415, 1062516, 1089760, 1089816, 1109776, 1173648, 1214304, 1271452, 1328145, 1362270, 1387220, 1416688, 1453088, 1456581, 1467060, 1517880, 1556880, 1589315, 1634640, 1664664, 1676640, 1770860, 1803386, 1816360, 1907178, 1942108, 1956080, 2023840, 2080830, 2125032, 2179632, 2219552, 2347296, 2427635, 2542904, 2656290, 2705079, 2724540, 2774440, 2833376, 2913162, 2934120, 3035760, 3113760, 3178630, 3269280, 3329328, 3398689, 3541720, 3606772, 3632720, 3814356, 3884216, 3912160, 4161660, 4250064, 4359264, 4508465, 4767945, 4855270, 5085808, 5312580, 5410158, 5449080, 5548880, 5826324, 5868240, 6071520, 6311851, 6357260, 6658656, 6797378, 7083440, 7213544, 7265440, 7282905, 7628712, 7768432, 8323320, 8500128, 9016930, 9535890, 9710540, 10171616, 10196067, 10625160, 10820316, 10898160, 11097760, 11652648, 11736480, 12623702, 12714520, 13525395, 13594756, 14166880, 14427088, 14565810, 15257424, 15536864, 16646640, 16993445, 18033860, 18935553, 19071780, 19421080, 20392134, 21250320, 21640632, 21796320, 23305296, 25247404, 25429040, 27050790, 27189512, 28854176, 29131620, 30514848, 31559255, 33293280, 33986890, 36067720, 37871106, 38143560, 38842160, 40784268, 42500640, 43281264, 44182957, 46610592, 50494808, 50858080, 50980335, 54101580, 54379024, 58263240, 63118510, 67973780, 72135440, 75742212, 76287120, 77684320, 81568536, 86562528, 88365914, 94677765, 100989616, 101960670, 108203160, 108758048, 116526480, 126237020, 132548871, 135947560, 144270880, 151484424, 152574240, 163137072, 176731828, 189355530, 201979232, 203921340, 216406320, 220914785, 233052960, 252474040, 265097742, 271895120, 302968848, 326274144, 353463656, 378711060, 407842680, 432812640, 441829570, 504948080, 530195484, 543790240, 605937696, 662744355, 706927312, 757422120, 815685360, 883659140, 1009896160, 1060390968, 1325488710, 1413854624, 1514844240, 1631370720, 1767318280, 2120781936, 2650977420, 3029688480, 3534636560, 4241563872, 5301954840, 7069273120, 10603909680, 21207819360]

約数ペア:

[(1, 21207819360), (2, 10603909680), (3, 7069273120), (4, 5301954840), (5, 4241563872), (6, 3534636560), (7, 3029688480), (8, 2650977420), (10, 2120781936), (12, 1767318280), (13, 1631370720), (14, 1514844240), (15, 1413854624), (16, 1325488710), (20, 1060390968), (21, 1009896160), (24, 883659140), (26, 815685360), (28, 757422120), (30, 706927312), (32, 662744355), (35, 605937696), (39, 543790240), (40, 530195484), (42, 504948080), (48, 441829570), (49, 432812640), (52, 407842680), (56, 378711060), (60, 353463656), (65, 326274144), (70, 302968848), (78, 271895120), (80, 265097742), (84, 252474040), (91, 233052960), (96, 220914785), (98, 216406320), (104, 203921340), (105, 201979232), (112, 189355530), (120, 176731828), (130, 163137072), (139, 152574240), (140, 151484424), (147, 144270880), (156, 135947560), (160, 132548871), (168, 126237020), (182, 116526480), (195, 108758048), (196, 108203160), (208, 101960670), (210, 100989616), (224, 94677765), (240, 88365914), (245, 86562528), (260, 81568536), (273, 77684320), (278, 76287120), (280, 75742212), (294, 72135440), (312, 67973780), (336, 63118510), (364, 58263240), (390, 54379024), (392, 54101580), (416, 50980335), (417, 50858080), (420, 50494808), (455, 46610592), (480, 44182957), (490, 43281264), (499, 42500640), (520, 40784268), (546, 38842160), (556, 38143560), (560, 37871106), (588, 36067720), (624, 33986890), (637, 33293280), (672, 31559255), (695, 30514848), (728, 29131620), (735, 28854176), (780, 27189512), (784, 27050790), (834, 25429040), (840, 25247404), (910, 23305296), (973, 21796320), (980, 21640632), (998, 21250320), (1040, 20392134), (1092, 19421080), (1112, 19071780), (1120, 18935553), (1176, 18033860), (1248, 16993445), (1274, 16646640), (1365, 15536864), (1390, 15257424), (1456, 14565810), (1470, 14427088), (1497, 14166880), (1560, 13594756), (1568, 13525395), (1668, 12714520), (1680, 12623702), (1807, 11736480), (1820, 11652648), (1911, 11097760), (1946, 10898160), (1960, 10820316), (1996, 10625160), (2080, 10196067), (2085, 10171616), (2184, 9710540), (2224, 9535890), (2352, 9016930), (2495, 8500128), (2548, 8323320), (2730, 7768432), (2780, 7628712), (2912, 7282905), (2919, 7265440), (2940, 7213544), (2994, 7083440), (3120, 6797378), (3185, 6658656), (3336, 6357260), (3360, 6311851), (3493, 6071520), (3614, 5868240), (3640, 5826324), (3822, 5548880), (3892, 5449080), (3920, 5410158), (3992, 5312580), (4170, 5085808), (4368, 4855270), (4448, 4767945), (4704, 4508465), (4865, 4359264), (4990, 4250064), (5096, 4161660), (5421, 3912160), (5460, 3884216), (5560, 3814356), (5838, 3632720), (5880, 3606772), (5988, 3541720), (6240, 3398689), (6370, 3329328), (6487, 3269280), (6672, 3178630), (6811, 3113760), (6986, 3035760), (7228, 2934120), (7280, 2913162), (7485, 2833376), (7644, 2774440), (7784, 2724540), (7840, 2705079), (7984, 2656290), (8340, 2542904), (8736, 2427635), (9035, 2347296), (9555, 2219552), (9730, 2179632), (9980, 2125032), (10192, 2080830), (10479, 2023840), (10842, 1956080), (10920, 1942108), (11120, 1907178), (11676, 1816360), (11760, 1803386), (11976, 1770860), (12649, 1676640), (12740, 1664664), (12974, 1634640), (13344, 1589315), (13622, 1556880), (13972, 1517880), (14456, 1467060), (14560, 1456581), (14595, 1453088), (14970, 1416688), (15288, 1387220), (15568, 1362270), (15968, 1328145), (16680, 1271452), (17465, 1214304), (18070, 1173648), (19110, 1109776), (19460, 1089816), (19461, 1089760), (19960, 1062516), (20384, 1040415), (20433, 1037920), (20958, 1011920), (21684, 978040), (21840, 971054), (22240, 953589), (23352, 908180), (23520, 901693), (23952, 885430), (24451, 867360), (25298, 838320), (25480, 832332), (25948, 817320), (27105, 782432), (27244, 778440), (27944, 758940), (28912, 733530), (29190, 726544), (29940, 708344), (30576, 693610), (31136, 681135), (32435, 653856), (33360, 635726), (34055, 622752), (34930, 607152), (36140, 586824), (37947, 558880), (38220, 554888), (38920, 544908), (38922, 544880), (39920, 531258), (40866, 518960), (41916, 505960), (43368, 489020), (43680, 485527), (45409, 467040), (46704, 454090), (47904, 442715), (48902, 433680), (50596, 419160), (50960, 416166), (51896, 408660), (52395, 404768), (54210, 391216), (54488, 389220), (55888, 379470), (57824, 366765), (58380, 363272), (59880, 354172), (61152, 346805), (63245, 335328), (64870, 326928), (66720, 317863), (68110, 311376), (69361, 305760), (69860, 303576), (72280, 293412), (73353, 289120), (75894, 279440), (76440, 277444), (77840, 272454), (77844, 272440), (79840, 265629), (81732, 259480), (83832, 252980), (86736, 244510), (88543, 239520), (90818, 233520), (93408, 227045), (97305, 217952), (97804, 216840), (101192, 209580), (101920, 208083), (102165, 207584), (103792, 204330), (104790, 202384), (108420, 195608), (108976, 194610), (111776, 189735), (116760, 181636), (119760, 177086), (122255, 173472), (126490, 167664), (129740, 163464), (136220, 155688), (136227, 155680), (138722, 152880), (139720, 151788), (144560, 146706)]