21782656

素因数分解:

$2^7\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 53023680

約数和(自身を除く): 31241024

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 151, 161, 184, 196, 224, 302, 322, 368, 392, 448, 604, 644, 736, 784, 896, 1057, 1127, 1208, 1288, 1472, 1568, 2114, 2254, 2416, 2576, 2944, 3136, 3473, 4228, 4508, 4832, 5152, 6272, 6946, 7399, 8456, 9016, 9664, 10304, 13892, 14798, 16912, 18032, 19328, 20608, 24311, 27784, 29596, 33824, 36064, 48622, 55568, 59192, 67648, 72128, 97244, 111136, 118384, 135296, 144256, 170177, 194488, 222272, 236768, 340354, 388976, 444544, 473536, 680708, 777952, 947072, 1361416, 1555904, 2722832, 3111808, 5445664, 10891328, 21782656]

約数ペア:

[(1, 21782656), (2, 10891328), (4, 5445664), (7, 3111808), (8, 2722832), (14, 1555904), (16, 1361416), (23, 947072), (28, 777952), (32, 680708), (46, 473536), (49, 444544), (56, 388976), (64, 340354), (92, 236768), (98, 222272), (112, 194488), (128, 170177), (151, 144256), (161, 135296), (184, 118384), (196, 111136), (224, 97244), (302, 72128), (322, 67648), (368, 59192), (392, 55568), (448, 48622), (604, 36064), (644, 33824), (736, 29596), (784, 27784), (896, 24311), (1057, 20608), (1127, 19328), (1208, 18032), (1288, 16912), (1472, 14798), (1568, 13892), (2114, 10304), (2254, 9664), (2416, 9016), (2576, 8456), (2944, 7399), (3136, 6946), (3473, 6272), (4228, 5152), (4508, 4832)]