21251104

素因数分解:

$2^5\times 7^2\times {\mathrm{13553}}^1$

素因数の和:13577

約数の個数: 36

約数和(自身を含む): 48672414

約数和(自身を除く): 27421310

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13553, 27106, 54212, 94871, 108424, 189742, 216848, 379484, 433696, 664097, 758968, 1328194, 1517936, 2656388, 3035872, 5312776, 10625552, 21251104]

約数ペア:

[(1, 21251104), (2, 10625552), (4, 5312776), (7, 3035872), (8, 2656388), (14, 1517936), (16, 1328194), (28, 758968), (32, 664097), (49, 433696), (56, 379484), (98, 216848), (112, 189742), (196, 108424), (224, 94871), (392, 54212), (784, 27106), (1568, 13553)]