21031888592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{155801}}^1$

素因数の和:155892

約数の個数: 80

約数和(自身を含む): 48685008960

約数和(自身を除く): 27653120368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 59, 88, 104, 118, 143, 176, 208, 236, 286, 472, 572, 649, 767, 944, 1144, 1298, 1534, 2288, 2596, 3068, 5192, 6136, 8437, 10384, 12272, 16874, 33748, 67496, 134992, 155801, 311602, 623204, 1246408, 1713811, 2025413, 2492816, 3427622, 4050826, 6855244, 8101652, 9192259, 13710488, 16203304, 18384518, 22279543, 27420976, 32406608, 36769036, 44559086, 73538072, 89118172, 101114849, 119499367, 147076144, 178236344, 202229698, 238998734, 356472688, 404459396, 477997468, 808918792, 955994936, 1314493037, 1617837584, 1911989872, 2628986074, 5257972148, 10515944296, 21031888592]

約数ペア:

[(1, 21031888592), (2, 10515944296), (4, 5257972148), (8, 2628986074), (11, 1911989872), (13, 1617837584), (16, 1314493037), (22, 955994936), (26, 808918792), (44, 477997468), (52, 404459396), (59, 356472688), (88, 238998734), (104, 202229698), (118, 178236344), (143, 147076144), (176, 119499367), (208, 101114849), (236, 89118172), (286, 73538072), (472, 44559086), (572, 36769036), (649, 32406608), (767, 27420976), (944, 22279543), (1144, 18384518), (1298, 16203304), (1534, 13710488), (2288, 9192259), (2596, 8101652), (3068, 6855244), (5192, 4050826), (6136, 3427622), (8437, 2492816), (10384, 2025413), (12272, 1713811), (16874, 1246408), (33748, 623204), (67496, 311602), (134992, 155801)]