21680064

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 168

約数和(自身を含む): 75021440

約数和(自身を除く): 53341376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 192, 224, 228, 252, 266, 283, 288, 304, 336, 342, 399, 448, 456, 504, 532, 566, 576, 608, 672, 684, 798, 849, 912, 1008, 1064, 1132, 1197, 1216, 1344, 1368, 1596, 1698, 1824, 1981, 2016, 2128, 2264, 2394, 2547, 2736, 3192, 3396, 3648, 3962, 4032, 4256, 4528, 4788, 5094, 5377, 5472, 5943, 6384, 6792, 7924, 8512, 9056, 9576, 10188, 10754, 10944, 11886, 12768, 13584, 15848, 16131, 17829, 18112, 19152, 20376, 21508, 23772, 25536, 27168, 31696, 32262, 35658, 37639, 38304, 40752, 43016, 47544, 48393, 54336, 63392, 64524, 71316, 75278, 76608, 81504, 86032, 95088, 96786, 112917, 126784, 129048, 142632, 150556, 163008, 172064, 190176, 193572, 225834, 258096, 285264, 301112, 338751, 344128, 380352, 387144, 451668, 516192, 570528, 602224, 677502, 774288, 903336, 1032384, 1141056, 1204448, 1355004, 1548576, 1806672, 2408896, 2710008, 3097152, 3613344, 5420016, 7226688, 10840032, 21680064]

約数ペア:

[(1, 21680064), (2, 10840032), (3, 7226688), (4, 5420016), (6, 3613344), (7, 3097152), (8, 2710008), (9, 2408896), (12, 1806672), (14, 1548576), (16, 1355004), (18, 1204448), (19, 1141056), (21, 1032384), (24, 903336), (28, 774288), (32, 677502), (36, 602224), (38, 570528), (42, 516192), (48, 451668), (56, 387144), (57, 380352), (63, 344128), (64, 338751), (72, 301112), (76, 285264), (84, 258096), (96, 225834), (112, 193572), (114, 190176), (126, 172064), (133, 163008), (144, 150556), (152, 142632), (168, 129048), (171, 126784), (192, 112917), (224, 96786), (228, 95088), (252, 86032), (266, 81504), (283, 76608), (288, 75278), (304, 71316), (336, 64524), (342, 63392), (399, 54336), (448, 48393), (456, 47544), (504, 43016), (532, 40752), (566, 38304), (576, 37639), (608, 35658), (672, 32262), (684, 31696), (798, 27168), (849, 25536), (912, 23772), (1008, 21508), (1064, 20376), (1132, 19152), (1197, 18112), (1216, 17829), (1344, 16131), (1368, 15848), (1596, 13584), (1698, 12768), (1824, 11886), (1981, 10944), (2016, 10754), (2128, 10188), (2264, 9576), (2394, 9056), (2547, 8512), (2736, 7924), (3192, 6792), (3396, 6384), (3648, 5943), (3962, 5472), (4032, 5377), (4256, 5094), (4528, 4788)]