21166623

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1871}}^1$

素因数の和:2299

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 10282977

約数列:

[1, 3, 9, 27, 419, 1257, 1871, 3771, 5613, 11313, 16839, 50517, 783949, 2351847, 7055541, 21166623]

約数ペア:

[(1, 21166623), (3, 7055541), (9, 2351847), (27, 783949), (419, 50517), (1257, 16839), (1871, 11313), (3771, 5613)]