21850920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 384

約数和(自身を含む): 94348800

約数和(自身を除く): 72497880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 24, 26, 28, 29, 30, 35, 36, 39, 40, 42, 45, 46, 52, 56, 58, 60, 63, 65, 69, 70, 72, 78, 84, 87, 90, 91, 92, 104, 105, 115, 116, 117, 120, 126, 130, 138, 140, 145, 156, 161, 168, 174, 180, 182, 184, 195, 203, 207, 210, 230, 232, 234, 252, 260, 261, 273, 276, 280, 290, 299, 312, 315, 322, 345, 348, 360, 364, 377, 390, 406, 414, 420, 435, 455, 460, 468, 483, 504, 520, 522, 546, 552, 580, 585, 598, 609, 630, 644, 667, 690, 696, 728, 754, 780, 805, 812, 819, 828, 840, 870, 897, 910, 920, 936, 966, 1015, 1035, 1044, 1092, 1131, 1160, 1170, 1196, 1218, 1260, 1288, 1305, 1334, 1365, 1380, 1449, 1495, 1508, 1560, 1610, 1624, 1638, 1656, 1740, 1794, 1820, 1827, 1885, 1932, 2001, 2030, 2070, 2088, 2093, 2184, 2262, 2340, 2392, 2415, 2436, 2520, 2610, 2639, 2668, 2691, 2730, 2760, 2898, 2990, 3016, 3045, 3220, 3276, 3335, 3393, 3480, 3588, 3640, 3654, 3770, 3864, 4002, 4060, 4095, 4140, 4186, 4485, 4524, 4669, 4680, 4830, 4872, 5220, 5278, 5336, 5382, 5460, 5655, 5796, 5980, 6003, 6090, 6279, 6440, 6552, 6670, 6786, 7176, 7245, 7308, 7540, 7917, 8004, 8120, 8190, 8280, 8372, 8671, 8970, 9048, 9135, 9338, 9660, 10005, 10440, 10465, 10556, 10764, 10920, 11310, 11592, 11960, 12006, 12180, 12558, 13195, 13340, 13455, 13572, 14007, 14490, 14616, 15080, 15834, 16008, 16380, 16744, 16965, 17342, 17940, 18270, 18676, 18837, 19320, 20010, 20930, 21112, 21528, 22620, 23345, 23751, 24012, 24360, 25116, 26013, 26390, 26680, 26910, 27144, 28014, 28980, 30015, 31395, 31668, 32760, 33930, 34684, 35880, 36540, 37352, 37674, 39585, 40020, 41860, 42021, 43355, 45240, 46690, 47502, 48024, 50232, 52026, 52780, 53820, 56028, 57960, 60030, 60697, 62790, 63336, 67860, 69368, 70035, 73080, 75348, 78039, 79170, 80040, 83720, 84042, 86710, 93380, 94185, 95004, 104052, 105560, 107640, 112056, 118755, 120060, 121394, 125580, 130065, 135720, 140070, 150696, 156078, 158340, 168084, 173420, 182091, 186760, 188370, 190008, 208104, 210105, 237510, 240120, 242788, 251160, 260130, 280140, 303485, 312156, 316680, 336168, 346840, 364182, 376740, 390195, 420210, 475020, 485576, 520260, 546273, 560280, 606970, 624312, 728364, 753480, 780390, 840420, 910455, 950040, 1040520, 1092546, 1213940, 1456728, 1560780, 1680840, 1820910, 2185092, 2427880, 2731365, 3121560, 3641820, 4370184, 5462730, 7283640, 10925460, 21850920]

約数ペア:

[(1, 21850920), (2, 10925460), (3, 7283640), (4, 5462730), (5, 4370184), (6, 3641820), (7, 3121560), (8, 2731365), (9, 2427880), (10, 2185092), (12, 1820910), (13, 1680840), (14, 1560780), (15, 1456728), (18, 1213940), (20, 1092546), (21, 1040520), (23, 950040), (24, 910455), (26, 840420), (28, 780390), (29, 753480), (30, 728364), (35, 624312), (36, 606970), (39, 560280), (40, 546273), (42, 520260), (45, 485576), (46, 475020), (52, 420210), (56, 390195), (58, 376740), (60, 364182), (63, 346840), (65, 336168), (69, 316680), (70, 312156), (72, 303485), (78, 280140), (84, 260130), (87, 251160), (90, 242788), (91, 240120), (92, 237510), (104, 210105), (105, 208104), (115, 190008), (116, 188370), (117, 186760), (120, 182091), (126, 173420), (130, 168084), (138, 158340), (140, 156078), (145, 150696), (156, 140070), (161, 135720), (168, 130065), (174, 125580), (180, 121394), (182, 120060), (184, 118755), (195, 112056), (203, 107640), (207, 105560), (210, 104052), (230, 95004), (232, 94185), (234, 93380), (252, 86710), (260, 84042), (261, 83720), (273, 80040), (276, 79170), (280, 78039), (290, 75348), (299, 73080), (312, 70035), (315, 69368), (322, 67860), (345, 63336), (348, 62790), (360, 60697), (364, 60030), (377, 57960), (390, 56028), (406, 53820), (414, 52780), (420, 52026), (435, 50232), (455, 48024), (460, 47502), (468, 46690), (483, 45240), (504, 43355), (520, 42021), (522, 41860), (546, 40020), (552, 39585), (580, 37674), (585, 37352), (598, 36540), (609, 35880), (630, 34684), (644, 33930), (667, 32760), (690, 31668), (696, 31395), (728, 30015), (754, 28980), (780, 28014), (805, 27144), (812, 26910), (819, 26680), (828, 26390), (840, 26013), (870, 25116), (897, 24360), (910, 24012), (920, 23751), (936, 23345), (966, 22620), (1015, 21528), (1035, 21112), (1044, 20930), (1092, 20010), (1131, 19320), (1160, 18837), (1170, 18676), (1196, 18270), (1218, 17940), (1260, 17342), (1288, 16965), (1305, 16744), (1334, 16380), (1365, 16008), (1380, 15834), (1449, 15080), (1495, 14616), (1508, 14490), (1560, 14007), (1610, 13572), (1624, 13455), (1638, 13340), (1656, 13195), (1740, 12558), (1794, 12180), (1820, 12006), (1827, 11960), (1885, 11592), (1932, 11310), (2001, 10920), (2030, 10764), (2070, 10556), (2088, 10465), (2093, 10440), (2184, 10005), (2262, 9660), (2340, 9338), (2392, 9135), (2415, 9048), (2436, 8970), (2520, 8671), (2610, 8372), (2639, 8280), (2668, 8190), (2691, 8120), (2730, 8004), (2760, 7917), (2898, 7540), (2990, 7308), (3016, 7245), (3045, 7176), (3220, 6786), (3276, 6670), (3335, 6552), (3393, 6440), (3480, 6279), (3588, 6090), (3640, 6003), (3654, 5980), (3770, 5796), (3864, 5655), (4002, 5460), (4060, 5382), (4095, 5336), (4140, 5278), (4186, 5220), (4485, 4872), (4524, 4830), (4669, 4680)]