21541184

素因数分解:

$2^6\times 7^2\times {\mathrm{6869}}^1$

素因数の和:6895

約数の個数: 42

約数和(自身を含む): 49731930

約数和(自身を除く): 28190746

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6869, 13738, 27476, 48083, 54952, 96166, 109904, 192332, 219808, 336581, 384664, 439616, 673162, 769328, 1346324, 1538656, 2692648, 3077312, 5385296, 10770592, 21541184]

約数ペア:

[(1, 21541184), (2, 10770592), (4, 5385296), (7, 3077312), (8, 2692648), (14, 1538656), (16, 1346324), (28, 769328), (32, 673162), (49, 439616), (56, 384664), (64, 336581), (98, 219808), (112, 192332), (196, 109904), (224, 96166), (392, 54952), (448, 48083), (784, 27476), (1568, 13738), (3136, 6869)]