21062272

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2137}}^1$

素因数の和:2169

約数の個数: 64

約数和(自身を含む): 52338240

約数和(自身を除く): 31275968

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2137, 2464, 4274, 4928, 8548, 9856, 14959, 17096, 23507, 29918, 34192, 47014, 59836, 68384, 94028, 119672, 136768, 164549, 188056, 239344, 273536, 329098, 376112, 478688, 658196, 752224, 957376, 1316392, 1504448, 1914752, 2632784, 3008896, 5265568, 10531136, 21062272]

約数ペア:

[(1, 21062272), (2, 10531136), (4, 5265568), (7, 3008896), (8, 2632784), (11, 1914752), (14, 1504448), (16, 1316392), (22, 957376), (28, 752224), (32, 658196), (44, 478688), (56, 376112), (64, 329098), (77, 273536), (88, 239344), (112, 188056), (128, 164549), (154, 136768), (176, 119672), (224, 94028), (308, 68384), (352, 59836), (448, 47014), (616, 34192), (704, 29918), (896, 23507), (1232, 17096), (1408, 14959), (2137, 9856), (2464, 8548), (4274, 4928)]