21514976

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 48827520

約数和(自身を除く): 27312544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 691, 973, 1112, 1382, 1946, 2224, 2764, 3892, 4448, 4837, 5528, 7784, 9674, 11056, 15568, 19348, 22112, 31136, 38696, 77392, 96049, 154784, 192098, 384196, 672343, 768392, 1344686, 1536784, 2689372, 3073568, 5378744, 10757488, 21514976]

約数ペア:

[(1, 21514976), (2, 10757488), (4, 5378744), (7, 3073568), (8, 2689372), (14, 1536784), (16, 1344686), (28, 768392), (32, 672343), (56, 384196), (112, 192098), (139, 154784), (224, 96049), (278, 77392), (556, 38696), (691, 31136), (973, 22112), (1112, 19348), (1382, 15568), (1946, 11056), (2224, 9674), (2764, 7784), (3892, 5528), (4448, 4837)]