21032111520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2086519}}^1$

素因数の和:2086547

約数の個数: 144

約数和(自身を含む): 82025274240

約数和(自身を除く): 60993162720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 2086519, 4173038, 6259557, 8346076, 10432595, 12519114, 14605633, 16692152, 18778671, 20865190, 25038228, 29211266, 31297785, 33384304, 37557342, 41730380, 43816899, 50076456, 58422532, 62595570, 66768608, 73028165, 75114684, 83460760, 87633798, 93893355, 100152912, 116845064, 125191140, 131450697, 146056330, 150229368, 166921520, 175267596, 187786710, 200305824, 219084495, 233690128, 250382280, 262901394, 292112660, 300458736, 333843040, 350535192, 375573420, 438168990, 467380256, 500764560, 525802788, 584225320, 600917472, 657253485, 701070384, 751146840, 876337980, 1001529120, 1051605576, 1168450640, 1314506970, 1402140768, 1502293680, 1752675960, 2103211152, 2336901280, 2629013940, 3004587360, 3505351920, 4206422304, 5258027880, 7010703840, 10516055760, 21032111520]

約数ペア:

[(1, 21032111520), (2, 10516055760), (3, 7010703840), (4, 5258027880), (5, 4206422304), (6, 3505351920), (7, 3004587360), (8, 2629013940), (9, 2336901280), (10, 2103211152), (12, 1752675960), (14, 1502293680), (15, 1402140768), (16, 1314506970), (18, 1168450640), (20, 1051605576), (21, 1001529120), (24, 876337980), (28, 751146840), (30, 701070384), (32, 657253485), (35, 600917472), (36, 584225320), (40, 525802788), (42, 500764560), (45, 467380256), (48, 438168990), (56, 375573420), (60, 350535192), (63, 333843040), (70, 300458736), (72, 292112660), (80, 262901394), (84, 250382280), (90, 233690128), (96, 219084495), (105, 200305824), (112, 187786710), (120, 175267596), (126, 166921520), (140, 150229368), (144, 146056330), (160, 131450697), (168, 125191140), (180, 116845064), (210, 100152912), (224, 93893355), (240, 87633798), (252, 83460760), (280, 75114684), (288, 73028165), (315, 66768608), (336, 62595570), (360, 58422532), (420, 50076456), (480, 43816899), (504, 41730380), (560, 37557342), (630, 33384304), (672, 31297785), (720, 29211266), (840, 25038228), (1008, 20865190), (1120, 18778671), (1260, 16692152), (1440, 14605633), (1680, 12519114), (2016, 10432595), (2520, 8346076), (3360, 6259557), (5040, 4173038), (10080, 2086519)]