21091168

素因数分解:

$2^5\times 7^2\times {\mathrm{13451}}^1$

素因数の和:13475

約数の個数: 36

約数和(自身を含む): 48306132

約数和(自身を除く): 27214964

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13451, 26902, 53804, 94157, 107608, 188314, 215216, 376628, 430432, 659099, 753256, 1318198, 1506512, 2636396, 3013024, 5272792, 10545584, 21091168]

約数ペア:

[(1, 21091168), (2, 10545584), (4, 5272792), (7, 3013024), (8, 2636396), (14, 1506512), (16, 1318198), (28, 753256), (32, 659099), (49, 430432), (56, 376628), (98, 215216), (112, 188314), (196, 107608), (224, 94157), (392, 53804), (784, 26902), (1568, 13451)]