21785856

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 61074720

約数和(自身を除く): 39288864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 608, 768, 912, 1216, 1493, 1824, 2432, 2986, 3648, 4479, 4864, 5972, 7296, 8958, 11944, 14592, 17916, 23888, 28367, 35832, 47776, 56734, 71664, 85101, 95552, 113468, 143328, 170202, 191104, 226936, 286656, 340404, 382208, 453872, 573312, 680808, 907744, 1146624, 1361616, 1815488, 2723232, 3630976, 5446464, 7261952, 10892928, 21785856]

約数ペア:

[(1, 21785856), (2, 10892928), (3, 7261952), (4, 5446464), (6, 3630976), (8, 2723232), (12, 1815488), (16, 1361616), (19, 1146624), (24, 907744), (32, 680808), (38, 573312), (48, 453872), (57, 382208), (64, 340404), (76, 286656), (96, 226936), (114, 191104), (128, 170202), (152, 143328), (192, 113468), (228, 95552), (256, 85101), (304, 71664), (384, 56734), (456, 47776), (608, 35832), (768, 28367), (912, 23888), (1216, 17916), (1493, 14592), (1824, 11944), (2432, 8958), (2986, 7296), (3648, 5972), (4479, 4864)]