21332601

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 31803200

約数和(自身を除く): 10470599

約数列:

[1, 3, 9, 43, 129, 199, 277, 387, 597, 831, 1791, 2493, 8557, 11911, 25671, 35733, 55123, 77013, 107199, 165369, 496107, 2370289, 7110867, 21332601]

約数ペア:

[(1, 21332601), (3, 7110867), (9, 2370289), (43, 496107), (129, 165369), (199, 107199), (277, 77013), (387, 55123), (597, 35733), (831, 25671), (1791, 11911), (2493, 8557)]