21203372970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:618

約数の個数: 256

約数和(自身を含む): 61993451520

約数和(自身を除く): 40790078550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 103, 117, 130, 135, 195, 206, 223, 234, 263, 270, 309, 351, 390, 446, 515, 526, 585, 618, 669, 702, 789, 927, 1030, 1115, 1170, 1315, 1338, 1339, 1545, 1578, 1755, 1854, 2007, 2230, 2367, 2630, 2678, 2781, 2899, 3090, 3345, 3419, 3510, 3945, 4014, 4017, 4635, 4734, 5562, 5798, 6021, 6690, 6695, 6838, 7101, 7890, 8034, 8697, 9270, 10035, 10257, 11835, 12042, 12051, 13390, 13905, 14202, 14495, 17095, 17394, 20070, 20085, 20514, 22969, 23670, 24102, 26091, 27089, 27810, 28990, 30105, 30771, 34190, 35505, 36153, 40170, 43485, 45938, 51285, 52182, 54178, 58649, 60210, 60255, 61542, 68907, 71010, 72306, 78273, 81267, 86970, 92313, 102570, 114845, 117298, 120510, 130455, 135445, 137814, 153855, 156546, 162534, 175947, 180765, 184626, 206721, 229690, 243801, 260910, 270890, 293245, 298597, 307710, 344535, 351894, 352157, 361530, 391365, 406335, 413442, 461565, 487602, 527841, 586490, 597194, 620163, 689070, 704314, 731403, 762437, 782730, 812670, 879735, 895791, 923130, 1033605, 1055682, 1056471, 1219005, 1240326, 1462806, 1492985, 1524874, 1583523, 1759470, 1760785, 1791582, 2067210, 2112942, 2287311, 2438010, 2639205, 2687373, 2985970, 3100815, 3167046, 3169413, 3521570, 3657015, 3812185, 4478955, 4574622, 5278410, 5282355, 5374746, 6040847, 6201630, 6338826, 6861933, 7314030, 7624370, 7917615, 8062119, 8957910, 9508239, 10564710, 11436555, 12081694, 13436865, 13723866, 15835230, 15847065, 16124238, 18122541, 19016478, 20585799, 22873110, 26873730, 30204235, 31694130, 34309665, 36245082, 40310595, 41171598, 47541195, 54367623, 60408470, 68619330, 78531011, 80621190, 90612705, 95082390, 102928995, 108735246, 157062022, 163102869, 181225410, 205857990, 235593033, 271838115, 326205738, 392655055, 471186066, 543676230, 706779099, 785310110, 815514345, 1177965165, 1413558198, 1631028690, 2120337297, 2355930330, 3533895495, 4240674594, 7067790990, 10601686485, 21203372970]

約数ペア:

[(1, 21203372970), (2, 10601686485), (3, 7067790990), (5, 4240674594), (6, 3533895495), (9, 2355930330), (10, 2120337297), (13, 1631028690), (15, 1413558198), (18, 1177965165), (26, 815514345), (27, 785310110), (30, 706779099), (39, 543676230), (45, 471186066), (54, 392655055), (65, 326205738), (78, 271838115), (90, 235593033), (103, 205857990), (117, 181225410), (130, 163102869), (135, 157062022), (195, 108735246), (206, 102928995), (223, 95082390), (234, 90612705), (263, 80621190), (270, 78531011), (309, 68619330), (351, 60408470), (390, 54367623), (446, 47541195), (515, 41171598), (526, 40310595), (585, 36245082), (618, 34309665), (669, 31694130), (702, 30204235), (789, 26873730), (927, 22873110), (1030, 20585799), (1115, 19016478), (1170, 18122541), (1315, 16124238), (1338, 15847065), (1339, 15835230), (1545, 13723866), (1578, 13436865), (1755, 12081694), (1854, 11436555), (2007, 10564710), (2230, 9508239), (2367, 8957910), (2630, 8062119), (2678, 7917615), (2781, 7624370), (2899, 7314030), (3090, 6861933), (3345, 6338826), (3419, 6201630), (3510, 6040847), (3945, 5374746), (4014, 5282355), (4017, 5278410), (4635, 4574622), (4734, 4478955), (5562, 3812185), (5798, 3657015), (6021, 3521570), (6690, 3169413), (6695, 3167046), (6838, 3100815), (7101, 2985970), (7890, 2687373), (8034, 2639205), (8697, 2438010), (9270, 2287311), (10035, 2112942), (10257, 2067210), (11835, 1791582), (12042, 1760785), (12051, 1759470), (13390, 1583523), (13905, 1524874), (14202, 1492985), (14495, 1462806), (17095, 1240326), (17394, 1219005), (20070, 1056471), (20085, 1055682), (20514, 1033605), (22969, 923130), (23670, 895791), (24102, 879735), (26091, 812670), (27089, 782730), (27810, 762437), (28990, 731403), (30105, 704314), (30771, 689070), (34190, 620163), (35505, 597194), (36153, 586490), (40170, 527841), (43485, 487602), (45938, 461565), (51285, 413442), (52182, 406335), (54178, 391365), (58649, 361530), (60210, 352157), (60255, 351894), (61542, 344535), (68907, 307710), (71010, 298597), (72306, 293245), (78273, 270890), (81267, 260910), (86970, 243801), (92313, 229690), (102570, 206721), (114845, 184626), (117298, 180765), (120510, 175947), (130455, 162534), (135445, 156546), (137814, 153855)]