21207587632

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1587

約数の個数: 160

約数和(自身を含む): 52215657984

約数和(自身を除く): 31008070352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 83, 88, 112, 154, 157, 166, 176, 308, 314, 332, 581, 616, 628, 664, 913, 1099, 1162, 1232, 1256, 1321, 1328, 1727, 1826, 2198, 2324, 2512, 2642, 3454, 3652, 4396, 4648, 5284, 6391, 6908, 7304, 8792, 9247, 9296, 10568, 12089, 12782, 13031, 13816, 14531, 14608, 17584, 18494, 21136, 24178, 25564, 26062, 27632, 29062, 36988, 48356, 51128, 52124, 58124, 73976, 91217, 96712, 101717, 102256, 104248, 109643, 116248, 143341, 147952, 182434, 193424, 203434, 207397, 208496, 219286, 232496, 286682, 364868, 406868, 414794, 438572, 573364, 729736, 767501, 813736, 829588, 877144, 1003387, 1146728, 1206073, 1451779, 1459472, 1535002, 1627472, 1659176, 1754288, 2006774, 2281367, 2293456, 2412146, 2903558, 3070004, 3318352, 4013548, 4562734, 4824292, 5807116, 6140008, 8027096, 8442511, 9125468, 9648584, 11614232, 12280016, 15969569, 16054192, 16885022, 17213951, 18250936, 19297168, 23228464, 31939138, 33770044, 34427902, 36501872, 63878276, 67540088, 68855804, 120497657, 127756552, 135080176, 137711608, 189353461, 240995314, 255513104, 275423216, 378706922, 481990628, 757413844, 963981256, 1325474227, 1514827688, 1927962512, 2650948454, 3029655376, 5301896908, 10603793816, 21207587632]

約数ペア:

[(1, 21207587632), (2, 10603793816), (4, 5301896908), (7, 3029655376), (8, 2650948454), (11, 1927962512), (14, 1514827688), (16, 1325474227), (22, 963981256), (28, 757413844), (44, 481990628), (56, 378706922), (77, 275423216), (83, 255513104), (88, 240995314), (112, 189353461), (154, 137711608), (157, 135080176), (166, 127756552), (176, 120497657), (308, 68855804), (314, 67540088), (332, 63878276), (581, 36501872), (616, 34427902), (628, 33770044), (664, 31939138), (913, 23228464), (1099, 19297168), (1162, 18250936), (1232, 17213951), (1256, 16885022), (1321, 16054192), (1328, 15969569), (1727, 12280016), (1826, 11614232), (2198, 9648584), (2324, 9125468), (2512, 8442511), (2642, 8027096), (3454, 6140008), (3652, 5807116), (4396, 4824292), (4648, 4562734), (5284, 4013548), (6391, 3318352), (6908, 3070004), (7304, 2903558), (8792, 2412146), (9247, 2293456), (9296, 2281367), (10568, 2006774), (12089, 1754288), (12782, 1659176), (13031, 1627472), (13816, 1535002), (14531, 1459472), (14608, 1451779), (17584, 1206073), (18494, 1146728), (21136, 1003387), (24178, 877144), (25564, 829588), (26062, 813736), (27632, 767501), (29062, 729736), (36988, 573364), (48356, 438572), (51128, 414794), (52124, 406868), (58124, 364868), (73976, 286682), (91217, 232496), (96712, 219286), (101717, 208496), (102256, 207397), (104248, 203434), (109643, 193424), (116248, 182434), (143341, 147952)]