21020996880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:637

約数の個数: 480

約数和(自身を含む): 79407584256

約数和(自身を除く): 58386587376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 223, 234, 240, 243, 260, 270, 312, 324, 351, 360, 373, 390, 405, 432, 446, 468, 486, 520, 540, 585, 624, 648, 669, 702, 720, 746, 780, 810, 892, 936, 972, 1040, 1053, 1080, 1115, 1119, 1170, 1215, 1296, 1338, 1404, 1492, 1560, 1620, 1755, 1784, 1865, 1872, 1944, 2007, 2106, 2160, 2230, 2238, 2340, 2430, 2676, 2808, 2899, 2984, 3120, 3159, 3240, 3345, 3357, 3510, 3568, 3730, 3888, 4014, 4212, 4460, 4476, 4680, 4849, 4860, 5265, 5352, 5595, 5616, 5798, 5968, 6021, 6318, 6480, 6690, 6714, 7020, 7460, 8028, 8424, 8697, 8920, 8952, 9360, 9698, 9720, 10035, 10071, 10530, 10704, 11190, 11596, 12042, 12636, 13380, 13428, 14040, 14495, 14547, 14920, 15795, 16056, 16785, 16848, 17394, 17840, 17904, 18063, 19396, 19440, 20070, 20142, 21060, 22380, 23192, 24084, 24245, 25272, 26091, 26760, 26856, 28080, 28990, 29094, 29840, 30105, 30213, 31590, 32112, 33570, 34788, 36126, 38792, 40140, 40284, 42120, 43485, 43641, 44760, 46384, 48168, 48490, 50355, 50544, 52182, 53520, 53712, 54189, 57980, 58188, 60210, 60426, 63180, 67140, 69576, 72252, 72735, 77584, 78273, 80280, 80568, 83179, 84240, 86970, 87282, 89520, 90315, 90639, 96336, 96980, 100710, 104364, 108378, 115960, 116376, 120420, 120852, 126360, 130455, 130923, 134280, 139152, 144504, 145470, 151065, 156546, 160560, 161136, 166358, 173940, 174564, 180630, 181278, 193960, 201420, 208728, 216756, 218205, 231920, 232752, 234819, 240840, 241704, 249537, 252720, 260910, 261846, 268560, 270945, 289008, 290940, 302130, 313092, 332716, 347880, 349128, 361260, 362556, 387920, 391365, 392769, 402840, 415895, 417456, 433512, 436410, 453195, 469638, 481680, 483408, 499074, 521820, 523692, 541890, 581880, 604260, 626184, 654615, 665432, 695760, 698256, 704457, 722520, 725112, 748611, 782730, 785538, 805680, 831790, 867024, 872820, 906390, 939276, 998148, 1043640, 1047384, 1081327, 1083780, 1163760, 1174095, 1178307, 1208520, 1247685, 1252368, 1309230, 1330864, 1408914, 1445040, 1450224, 1497222, 1565460, 1571076, 1663580, 1745640, 1812780, 1878552, 1963845, 1996296, 2087280, 2094768, 2162654, 2167560, 2245833, 2348190, 2356614, 2417040, 2495370, 2618460, 2817828, 2994444, 3130920, 3142152, 3243981, 3327160, 3491280, 3522285, 3625560, 3743055, 3757104, 3927690, 3992592, 4325308, 4335120, 4491666, 4696380, 4713228, 4990740, 5236920, 5406635, 5635656, 5891535, 5988888, 6261840, 6284304, 6487962, 6654320, 6737499, 7044570, 7251120, 7486110, 7855380, 8650616, 8983332, 9392760, 9426456, 9731943, 9981480, 10473840, 10813270, 11229165, 11271312, 11783070, 11977776, 12975924, 13474998, 14089140, 14972220, 15710760, 16219905, 17301232, 17966664, 18785520, 18852912, 19463886, 19962960, 20212497, 21626540, 22458330, 23566140, 25951848, 26949996, 28178280, 29195829, 29944440, 31421520, 32439810, 33687495, 35933328, 38927772, 40424994, 43253080, 44916660, 47132280, 48659715, 51903696, 53899992, 56356560, 58391658, 59888880, 64879620, 67374990, 77855544, 80849988, 86506160, 87587487, 89833320, 94264560, 97319430, 101062485, 107799984, 116783316, 129759240, 134749980, 145979145, 155711088, 161699976, 175174974, 179666640, 194638860, 202124970, 233566632, 259518480, 262762461, 269499960, 291958290, 323399952, 350349948, 389277720, 404249940, 437937435, 467133264, 525524922, 538999920, 583916580, 700699896, 778555440, 808499880, 875874870, 1051049844, 1167833160, 1313812305, 1401399792, 1616999760, 1751749740, 2102099688, 2335666320, 2627624610, 3503499480, 4204199376, 5255249220, 7006998960, 10510498440, 21020996880]

約数ペア:

[(1, 21020996880), (2, 10510498440), (3, 7006998960), (4, 5255249220), (5, 4204199376), (6, 3503499480), (8, 2627624610), (9, 2335666320), (10, 2102099688), (12, 1751749740), (13, 1616999760), (15, 1401399792), (16, 1313812305), (18, 1167833160), (20, 1051049844), (24, 875874870), (26, 808499880), (27, 778555440), (30, 700699896), (36, 583916580), (39, 538999920), (40, 525524922), (45, 467133264), (48, 437937435), (52, 404249940), (54, 389277720), (60, 350349948), (65, 323399952), (72, 291958290), (78, 269499960), (80, 262762461), (81, 259518480), (90, 233566632), (104, 202124970), (108, 194638860), (117, 179666640), (120, 175174974), (130, 161699976), (135, 155711088), (144, 145979145), (156, 134749980), (162, 129759240), (180, 116783316), (195, 107799984), (208, 101062485), (216, 97319430), (223, 94264560), (234, 89833320), (240, 87587487), (243, 86506160), (260, 80849988), (270, 77855544), (312, 67374990), (324, 64879620), (351, 59888880), (360, 58391658), (373, 56356560), (390, 53899992), (405, 51903696), (432, 48659715), (446, 47132280), (468, 44916660), (486, 43253080), (520, 40424994), (540, 38927772), (585, 35933328), (624, 33687495), (648, 32439810), (669, 31421520), (702, 29944440), (720, 29195829), (746, 28178280), (780, 26949996), (810, 25951848), (892, 23566140), (936, 22458330), (972, 21626540), (1040, 20212497), (1053, 19962960), (1080, 19463886), (1115, 18852912), (1119, 18785520), (1170, 17966664), (1215, 17301232), (1296, 16219905), (1338, 15710760), (1404, 14972220), (1492, 14089140), (1560, 13474998), (1620, 12975924), (1755, 11977776), (1784, 11783070), (1865, 11271312), (1872, 11229165), (1944, 10813270), (2007, 10473840), (2106, 9981480), (2160, 9731943), (2230, 9426456), (2238, 9392760), (2340, 8983332), (2430, 8650616), (2676, 7855380), (2808, 7486110), (2899, 7251120), (2984, 7044570), (3120, 6737499), (3159, 6654320), (3240, 6487962), (3345, 6284304), (3357, 6261840), (3510, 5988888), (3568, 5891535), (3730, 5635656), (3888, 5406635), (4014, 5236920), (4212, 4990740), (4460, 4713228), (4476, 4696380), (4680, 4491666), (4849, 4335120), (4860, 4325308), (5265, 3992592), (5352, 3927690), (5595, 3757104), (5616, 3743055), (5798, 3625560), (5968, 3522285), (6021, 3491280), (6318, 3327160), (6480, 3243981), (6690, 3142152), (6714, 3130920), (7020, 2994444), (7460, 2817828), (8028, 2618460), (8424, 2495370), (8697, 2417040), (8920, 2356614), (8952, 2348190), (9360, 2245833), (9698, 2167560), (9720, 2162654), (10035, 2094768), (10071, 2087280), (10530, 1996296), (10704, 1963845), (11190, 1878552), (11596, 1812780), (12042, 1745640), (12636, 1663580), (13380, 1571076), (13428, 1565460), (14040, 1497222), (14495, 1450224), (14547, 1445040), (14920, 1408914), (15795, 1330864), (16056, 1309230), (16785, 1252368), (16848, 1247685), (17394, 1208520), (17840, 1178307), (17904, 1174095), (18063, 1163760), (19396, 1083780), (19440, 1081327), (20070, 1047384), (20142, 1043640), (21060, 998148), (22380, 939276), (23192, 906390), (24084, 872820), (24245, 867024), (25272, 831790), (26091, 805680), (26760, 785538), (26856, 782730), (28080, 748611), (28990, 725112), (29094, 722520), (29840, 704457), (30105, 698256), (30213, 695760), (31590, 665432), (32112, 654615), (33570, 626184), (34788, 604260), (36126, 581880), (38792, 541890), (40140, 523692), (40284, 521820), (42120, 499074), (43485, 483408), (43641, 481680), (44760, 469638), (46384, 453195), (48168, 436410), (48490, 433512), (50355, 417456), (50544, 415895), (52182, 402840), (53520, 392769), (53712, 391365), (54189, 387920), (57980, 362556), (58188, 361260), (60210, 349128), (60426, 347880), (63180, 332716), (67140, 313092), (69576, 302130), (72252, 290940), (72735, 289008), (77584, 270945), (78273, 268560), (80280, 261846), (80568, 260910), (83179, 252720), (84240, 249537), (86970, 241704), (87282, 240840), (89520, 234819), (90315, 232752), (90639, 231920), (96336, 218205), (96980, 216756), (100710, 208728), (104364, 201420), (108378, 193960), (115960, 181278), (116376, 180630), (120420, 174564), (120852, 173940), (126360, 166358), (130455, 161136), (130923, 160560), (134280, 156546), (139152, 151065), (144504, 145470)]