21538413120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103391}}^1$

素因数の和:103449

約数の個数: 224

約数和(自身を含む): 80675536896

約数和(自身を除く): 59137123776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1984, 2170, 2240, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 4340, 4960, 5208, 5952, 6510, 6720, 6944, 7440, 8680, 9920, 10416, 13020, 13888, 14880, 17360, 20832, 26040, 29760, 34720, 41664, 52080, 69440, 103391, 104160, 206782, 208320, 310173, 413564, 516955, 620346, 723737, 827128, 1033910, 1240692, 1447474, 1550865, 1654256, 2067820, 2171211, 2481384, 2894948, 3101730, 3205121, 3308512, 3618685, 4135640, 4342422, 4962768, 5789896, 6203460, 6410242, 6617024, 7237370, 8271280, 8684844, 9615363, 9925536, 10856055, 11579792, 12406920, 12820484, 14474740, 16025605, 16542560, 17369688, 19230726, 19851072, 21712110, 22435847, 23159584, 24813840, 25640968, 28949480, 32051210, 33085120, 34739376, 38461452, 43424220, 44871694, 46319168, 48076815, 49627680, 51281936, 57898960, 64102420, 67307541, 69478752, 76922904, 86848440, 89743388, 96153630, 99255360, 102563872, 112179235, 115797920, 128204840, 134615082, 138957504, 153845808, 173696880, 179486776, 192307260, 205127744, 224358470, 231595840, 256409680, 269230164, 307691616, 336537705, 347393760, 358973552, 384614520, 448716940, 512819360, 538460328, 615383232, 673075410, 694787520, 717947104, 769229040, 897433880, 1025638720, 1076920656, 1346150820, 1435894208, 1538458080, 1794867760, 2153841312, 2692301640, 3076916160, 3589735520, 4307682624, 5384603280, 7179471040, 10769206560, 21538413120]

約数ペア:

[(1, 21538413120), (2, 10769206560), (3, 7179471040), (4, 5384603280), (5, 4307682624), (6, 3589735520), (7, 3076916160), (8, 2692301640), (10, 2153841312), (12, 1794867760), (14, 1538458080), (15, 1435894208), (16, 1346150820), (20, 1076920656), (21, 1025638720), (24, 897433880), (28, 769229040), (30, 717947104), (31, 694787520), (32, 673075410), (35, 615383232), (40, 538460328), (42, 512819360), (48, 448716940), (56, 384614520), (60, 358973552), (62, 347393760), (64, 336537705), (70, 307691616), (80, 269230164), (84, 256409680), (93, 231595840), (96, 224358470), (105, 205127744), (112, 192307260), (120, 179486776), (124, 173696880), (140, 153845808), (155, 138957504), (160, 134615082), (168, 128204840), (186, 115797920), (192, 112179235), (210, 102563872), (217, 99255360), (224, 96153630), (240, 89743388), (248, 86848440), (280, 76922904), (310, 69478752), (320, 67307541), (336, 64102420), (372, 57898960), (420, 51281936), (434, 49627680), (448, 48076815), (465, 46319168), (480, 44871694), (496, 43424220), (560, 38461452), (620, 34739376), (651, 33085120), (672, 32051210), (744, 28949480), (840, 25640968), (868, 24813840), (930, 23159584), (960, 22435847), (992, 21712110), (1085, 19851072), (1120, 19230726), (1240, 17369688), (1302, 16542560), (1344, 16025605), (1488, 14474740), (1680, 12820484), (1736, 12406920), (1860, 11579792), (1984, 10856055), (2170, 9925536), (2240, 9615363), (2480, 8684844), (2604, 8271280), (2976, 7237370), (3255, 6617024), (3360, 6410242), (3472, 6203460), (3720, 5789896), (4340, 4962768), (4960, 4342422), (5208, 4135640), (5952, 3618685), (6510, 3308512), (6720, 3205121), (6944, 3101730), (7440, 2894948), (8680, 2481384), (9920, 2171211), (10416, 2067820), (13020, 1654256), (13888, 1550865), (14880, 1447474), (17360, 1240692), (20832, 1033910), (26040, 827128), (29760, 723737), (34720, 620346), (41664, 516955), (52080, 413564), (69440, 310173), (103391, 208320), (104160, 206782)]