21173361

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17341}}^1$

素因数の和:17392

約数の個数: 16

約数和(自身を含む): 31631808

約数和(自身を除く): 10458447

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17341, 52023, 190751, 572253, 641617, 1924851, 7057787, 21173361]

約数ペア:

[(1, 21173361), (3, 7057787), (11, 1924851), (33, 641617), (37, 572253), (111, 190751), (407, 52023), (1221, 17341)]