21480657

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3271}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 31411200

約数和(自身を除く): 9930543

約数列:

[1, 3, 11, 33, 199, 597, 2189, 3271, 6567, 9813, 35981, 107943, 650929, 1952787, 7160219, 21480657]

約数ペア:

[(1, 21480657), (3, 7160219), (11, 1952787), (33, 650929), (199, 107943), (597, 35981), (2189, 9813), (3271, 6567)]