21249469696

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1873}}^1$

素因数の和:2396

約数の個数: 144

約数和(自身を含む): 52339350784

約数和(自身を除く): 31089881088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 487, 728, 832, 896, 974, 1456, 1664, 1792, 1873, 1948, 2912, 3328, 3409, 3746, 3896, 5824, 6331, 6818, 7492, 7792, 11648, 12662, 13111, 13636, 14984, 15584, 23296, 24349, 25324, 26222, 27272, 29968, 31168, 44317, 48698, 50648, 52444, 54544, 59936, 62336, 88634, 97396, 101296, 104888, 109088, 119872, 124672, 170443, 177268, 194792, 202592, 209776, 218176, 239744, 340886, 354536, 389584, 405184, 419552, 436352, 479488, 681772, 709072, 779168, 810368, 839104, 872704, 912151, 1363544, 1418144, 1558336, 1620736, 1678208, 1824302, 2727088, 2836288, 3116672, 3356416, 3648604, 5454176, 5672576, 6233344, 6385057, 7297208, 10908352, 11345152, 11857963, 12770114, 14594416, 21816704, 23715926, 25540228, 29188832, 43633408, 47431852, 51080456, 58377664, 83005741, 94863704, 102160912, 116755328, 166011482, 189727408, 204321824, 233510656, 332022964, 379454816, 408643648, 664045928, 758909632, 817287296, 1328091856, 1517819264, 1634574592, 2656183712, 3035638528, 5312367424, 10624734848, 21249469696]

約数ペア:

[(1, 21249469696), (2, 10624734848), (4, 5312367424), (7, 3035638528), (8, 2656183712), (13, 1634574592), (14, 1517819264), (16, 1328091856), (26, 817287296), (28, 758909632), (32, 664045928), (52, 408643648), (56, 379454816), (64, 332022964), (91, 233510656), (104, 204321824), (112, 189727408), (128, 166011482), (182, 116755328), (208, 102160912), (224, 94863704), (256, 83005741), (364, 58377664), (416, 51080456), (448, 47431852), (487, 43633408), (728, 29188832), (832, 25540228), (896, 23715926), (974, 21816704), (1456, 14594416), (1664, 12770114), (1792, 11857963), (1873, 11345152), (1948, 10908352), (2912, 7297208), (3328, 6385057), (3409, 6233344), (3746, 5672576), (3896, 5454176), (5824, 3648604), (6331, 3356416), (6818, 3116672), (7492, 2836288), (7792, 2727088), (11648, 1824302), (12662, 1678208), (13111, 1620736), (13636, 1558336), (14984, 1418144), (15584, 1363544), (23296, 912151), (24349, 872704), (25324, 839104), (26222, 810368), (27272, 779168), (29968, 709072), (31168, 681772), (44317, 479488), (48698, 436352), (50648, 419552), (52444, 405184), (54544, 389584), (59936, 354536), (62336, 340886), (88634, 239744), (97396, 218176), (101296, 209776), (104888, 202592), (109088, 194792), (119872, 177268), (124672, 170443)]