21031607247

素因数分解:

$3^1\times 7^1\times {\mathrm{7927}}^1\times {\mathrm{126341}}^1$

素因数の和:134278

約数の個数: 16

約数和(自身を含む): 32052460032

約数和(自身を除く): 11020852785

約数列:

[1, 3, 7, 21, 7927, 23781, 55489, 126341, 166467, 379023, 884387, 2653161, 1001505107, 3004515321, 7010535749, 21031607247]

約数ペア:

[(1, 21031607247), (3, 7010535749), (7, 3004515321), (21, 1001505107), (7927, 2653161), (23781, 884387), (55489, 379023), (126341, 166467)]