21326760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 384

約数和(自身を含む): 91929600

約数和(自身を除く): 70602840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 31, 35, 36, 39, 40, 42, 45, 49, 52, 54, 56, 60, 62, 63, 65, 70, 72, 78, 84, 90, 91, 93, 98, 104, 105, 108, 117, 120, 124, 126, 130, 135, 140, 147, 155, 156, 168, 180, 182, 186, 189, 195, 196, 210, 216, 217, 234, 245, 248, 252, 260, 270, 273, 279, 280, 294, 310, 312, 315, 351, 360, 364, 372, 378, 390, 392, 403, 420, 434, 441, 455, 465, 468, 490, 504, 520, 540, 546, 558, 585, 588, 620, 630, 637, 651, 702, 728, 735, 744, 756, 780, 806, 819, 837, 840, 868, 882, 910, 930, 936, 945, 980, 1080, 1085, 1092, 1116, 1170, 1176, 1209, 1240, 1260, 1274, 1302, 1323, 1365, 1395, 1404, 1470, 1512, 1519, 1560, 1612, 1638, 1674, 1736, 1755, 1764, 1820, 1860, 1890, 1911, 1953, 1960, 2015, 2170, 2184, 2205, 2232, 2340, 2418, 2457, 2520, 2548, 2604, 2646, 2730, 2790, 2808, 2821, 2940, 3038, 3185, 3224, 3255, 3276, 3348, 3510, 3528, 3627, 3640, 3720, 3780, 3822, 3906, 4030, 4095, 4185, 4340, 4410, 4557, 4680, 4836, 4914, 5096, 5208, 5292, 5460, 5580, 5642, 5733, 5859, 5880, 6045, 6076, 6370, 6510, 6552, 6615, 6696, 7020, 7254, 7560, 7595, 7644, 7812, 8060, 8190, 8370, 8463, 8680, 8820, 9114, 9555, 9672, 9765, 9828, 10584, 10881, 10920, 11160, 11284, 11466, 11718, 12090, 12152, 12285, 12740, 13020, 13230, 13671, 14040, 14105, 14508, 15190, 15288, 15624, 16120, 16380, 16740, 16926, 17199, 17640, 18135, 18228, 19110, 19530, 19656, 19747, 21762, 22568, 22785, 22932, 23436, 24180, 24570, 25389, 25480, 26040, 26460, 27342, 28210, 28665, 29016, 29295, 30380, 32760, 33480, 33852, 34398, 36270, 36456, 38220, 39060, 39494, 41013, 42315, 43524, 45570, 45864, 46872, 48360, 49140, 50778, 52920, 54405, 54684, 56420, 57330, 58590, 59241, 60760, 67704, 68355, 68796, 72540, 76167, 76440, 78120, 78988, 82026, 84630, 85995, 87048, 91140, 98280, 98735, 101556, 108810, 109368, 112840, 114660, 117180, 118482, 126945, 136710, 137592, 145080, 152334, 157976, 164052, 169260, 171990, 177723, 182280, 197470, 203112, 205065, 217620, 229320, 234360, 236964, 253890, 273420, 296205, 304668, 328104, 338520, 343980, 355446, 380835, 394940, 410130, 435240, 473928, 507780, 533169, 546840, 592410, 609336, 687960, 710892, 761670, 789880, 820260, 888615, 1015560, 1066338, 1184820, 1421784, 1523340, 1640520, 1777230, 2132676, 2369640, 2665845, 3046680, 3554460, 4265352, 5331690, 7108920, 10663380, 21326760]

約数ペア:

[(1, 21326760), (2, 10663380), (3, 7108920), (4, 5331690), (5, 4265352), (6, 3554460), (7, 3046680), (8, 2665845), (9, 2369640), (10, 2132676), (12, 1777230), (13, 1640520), (14, 1523340), (15, 1421784), (18, 1184820), (20, 1066338), (21, 1015560), (24, 888615), (26, 820260), (27, 789880), (28, 761670), (30, 710892), (31, 687960), (35, 609336), (36, 592410), (39, 546840), (40, 533169), (42, 507780), (45, 473928), (49, 435240), (52, 410130), (54, 394940), (56, 380835), (60, 355446), (62, 343980), (63, 338520), (65, 328104), (70, 304668), (72, 296205), (78, 273420), (84, 253890), (90, 236964), (91, 234360), (93, 229320), (98, 217620), (104, 205065), (105, 203112), (108, 197470), (117, 182280), (120, 177723), (124, 171990), (126, 169260), (130, 164052), (135, 157976), (140, 152334), (147, 145080), (155, 137592), (156, 136710), (168, 126945), (180, 118482), (182, 117180), (186, 114660), (189, 112840), (195, 109368), (196, 108810), (210, 101556), (216, 98735), (217, 98280), (234, 91140), (245, 87048), (248, 85995), (252, 84630), (260, 82026), (270, 78988), (273, 78120), (279, 76440), (280, 76167), (294, 72540), (310, 68796), (312, 68355), (315, 67704), (351, 60760), (360, 59241), (364, 58590), (372, 57330), (378, 56420), (390, 54684), (392, 54405), (403, 52920), (420, 50778), (434, 49140), (441, 48360), (455, 46872), (465, 45864), (468, 45570), (490, 43524), (504, 42315), (520, 41013), (540, 39494), (546, 39060), (558, 38220), (585, 36456), (588, 36270), (620, 34398), (630, 33852), (637, 33480), (651, 32760), (702, 30380), (728, 29295), (735, 29016), (744, 28665), (756, 28210), (780, 27342), (806, 26460), (819, 26040), (837, 25480), (840, 25389), (868, 24570), (882, 24180), (910, 23436), (930, 22932), (936, 22785), (945, 22568), (980, 21762), (1080, 19747), (1085, 19656), (1092, 19530), (1116, 19110), (1170, 18228), (1176, 18135), (1209, 17640), (1240, 17199), (1260, 16926), (1274, 16740), (1302, 16380), (1323, 16120), (1365, 15624), (1395, 15288), (1404, 15190), (1470, 14508), (1512, 14105), (1519, 14040), (1560, 13671), (1612, 13230), (1638, 13020), (1674, 12740), (1736, 12285), (1755, 12152), (1764, 12090), (1820, 11718), (1860, 11466), (1890, 11284), (1911, 11160), (1953, 10920), (1960, 10881), (2015, 10584), (2170, 9828), (2184, 9765), (2205, 9672), (2232, 9555), (2340, 9114), (2418, 8820), (2457, 8680), (2520, 8463), (2548, 8370), (2604, 8190), (2646, 8060), (2730, 7812), (2790, 7644), (2808, 7595), (2821, 7560), (2940, 7254), (3038, 7020), (3185, 6696), (3224, 6615), (3255, 6552), (3276, 6510), (3348, 6370), (3510, 6076), (3528, 6045), (3627, 5880), (3640, 5859), (3720, 5733), (3780, 5642), (3822, 5580), (3906, 5460), (4030, 5292), (4095, 5208), (4185, 5096), (4340, 4914), (4410, 4836), (4557, 4680)]