21551145525

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1093}}^1$

素因数の和:1242

約数の個数: 240

約数和(自身を含む): 49637073024

約数和(自身を除く): 28085927499

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 81, 91, 105, 107, 117, 135, 175, 189, 195, 225, 273, 315, 321, 325, 351, 405, 455, 525, 535, 567, 585, 675, 749, 819, 945, 963, 975, 1053, 1093, 1365, 1391, 1575, 1605, 1755, 2025, 2247, 2275, 2457, 2675, 2835, 2889, 2925, 3279, 3745, 4095, 4173, 4725, 4815, 5265, 5465, 6741, 6825, 6955, 7371, 7651, 8025, 8667, 8775, 9737, 9837, 11235, 12285, 12519, 14175, 14209, 14445, 16395, 18725, 20223, 20475, 20865, 22953, 24075, 26325, 27325, 29211, 29511, 33705, 34775, 36855, 37557, 38255, 42627, 43335, 48685, 49185, 56175, 60669, 61425, 62595, 68859, 71045, 72225, 81975, 87633, 88533, 99463, 101115, 104325, 112671, 114765, 116951, 127881, 146055, 147555, 168525, 184275, 187785, 191275, 206577, 213135, 216675, 243425, 245925, 262899, 298389, 303345, 312975, 344295, 350853, 355225, 383643, 438165, 442665, 497315, 505575, 563355, 573825, 584755, 619731, 639405, 730275, 737775, 788697, 818657, 895167, 938925, 1032885, 1052559, 1065675, 1150929, 1314495, 1491945, 1516725, 1520363, 1721475, 1754265, 1918215, 2190825, 2213325, 2455971, 2486575, 2685501, 2816775, 2923775, 3098655, 3157677, 3197025, 3943485, 4093285, 4475835, 4561089, 5164425, 5262795, 5754645, 6572475, 7367913, 7459725, 7601815, 8056503, 8771325, 9473031, 9591075, 10642541, 12279855, 13427505, 13683267, 15493275, 15788385, 19717425, 20466425, 22103739, 22379175, 22805445, 26313975, 28773225, 31927623, 36839565, 38009075, 40282515, 41049801, 47365155, 53212705, 61399275, 66311217, 67137525, 68416335, 78941925, 95782869, 110518695, 114027225, 123149403, 159638115, 184197825, 201412575, 205249005, 236825775, 266063525, 287348607, 331556085, 342081675, 478914345, 552593475, 615747015, 798190575, 862045821, 1026245025, 1436743035, 1657780425, 2394571725, 3078735075, 4310229105, 7183715175, 21551145525]

約数ペア:

[(1, 21551145525), (3, 7183715175), (5, 4310229105), (7, 3078735075), (9, 2394571725), (13, 1657780425), (15, 1436743035), (21, 1026245025), (25, 862045821), (27, 798190575), (35, 615747015), (39, 552593475), (45, 478914345), (63, 342081675), (65, 331556085), (75, 287348607), (81, 266063525), (91, 236825775), (105, 205249005), (107, 201412575), (117, 184197825), (135, 159638115), (175, 123149403), (189, 114027225), (195, 110518695), (225, 95782869), (273, 78941925), (315, 68416335), (321, 67137525), (325, 66311217), (351, 61399275), (405, 53212705), (455, 47365155), (525, 41049801), (535, 40282515), (567, 38009075), (585, 36839565), (675, 31927623), (749, 28773225), (819, 26313975), (945, 22805445), (963, 22379175), (975, 22103739), (1053, 20466425), (1093, 19717425), (1365, 15788385), (1391, 15493275), (1575, 13683267), (1605, 13427505), (1755, 12279855), (2025, 10642541), (2247, 9591075), (2275, 9473031), (2457, 8771325), (2675, 8056503), (2835, 7601815), (2889, 7459725), (2925, 7367913), (3279, 6572475), (3745, 5754645), (4095, 5262795), (4173, 5164425), (4725, 4561089), (4815, 4475835), (5265, 4093285), (5465, 3943485), (6741, 3197025), (6825, 3157677), (6955, 3098655), (7371, 2923775), (7651, 2816775), (8025, 2685501), (8667, 2486575), (8775, 2455971), (9737, 2213325), (9837, 2190825), (11235, 1918215), (12285, 1754265), (12519, 1721475), (14175, 1520363), (14209, 1516725), (14445, 1491945), (16395, 1314495), (18725, 1150929), (20223, 1065675), (20475, 1052559), (20865, 1032885), (22953, 938925), (24075, 895167), (26325, 818657), (27325, 788697), (29211, 737775), (29511, 730275), (33705, 639405), (34775, 619731), (36855, 584755), (37557, 573825), (38255, 563355), (42627, 505575), (43335, 497315), (48685, 442665), (49185, 438165), (56175, 383643), (60669, 355225), (61425, 350853), (62595, 344295), (68859, 312975), (71045, 303345), (72225, 298389), (81975, 262899), (87633, 245925), (88533, 243425), (99463, 216675), (101115, 213135), (104325, 206577), (112671, 191275), (114765, 187785), (116951, 184275), (127881, 168525), (146055, 147555)]