21008288

素因数分解:

$2^5\times 7^1\times {\mathrm{93787}}^1$

素因数の和:93804

約数の個数: 24

約数和(自身を含む): 47269152

約数和(自身を除く): 26260864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93787, 187574, 375148, 656509, 750296, 1313018, 1500592, 2626036, 3001184, 5252072, 10504144, 21008288]

約数ペア:

[(1, 21008288), (2, 10504144), (4, 5252072), (7, 3001184), (8, 2626036), (14, 1500592), (16, 1313018), (28, 750296), (32, 656509), (56, 375148), (112, 187574), (224, 93787)]