21546999

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 33271040

約数和(自身を除く): 11724041

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 277, 387, 603, 831, 1161, 1809, 2493, 2881, 7479, 8643, 11911, 18559, 25929, 35733, 55677, 77787, 107199, 167031, 321597, 501093, 798037, 2394111, 7182333, 21546999]

約数ペア:

[(1, 21546999), (3, 7182333), (9, 2394111), (27, 798037), (43, 501093), (67, 321597), (129, 167031), (201, 107199), (277, 77787), (387, 55677), (603, 35733), (831, 25929), (1161, 18559), (1809, 11911), (2493, 8643), (2881, 7479)]