21348297

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{64109}}^1$

素因数の和:64152

約数の個数: 12

約数和(自身を含む): 31670340

約数和(自身を除く): 10322043

約数列:

[1, 3, 9, 37, 111, 333, 64109, 192327, 576981, 2372033, 7116099, 21348297]

約数ペア:

[(1, 21348297), (3, 7116099), (9, 2372033), (37, 576981), (111, 192327), (333, 64109)]