21574107

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{3209}}^1$

素因数の和:3304

約数の個数: 20

約数和(自身を含む): 32626440

約数和(自身を除く): 11052333

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 3209, 6723, 9627, 28881, 86643, 259929, 266347, 799041, 2397123, 7191369, 21574107]

約数ペア:

[(1, 21574107), (3, 7191369), (9, 2397123), (27, 799041), (81, 266347), (83, 259929), (249, 86643), (747, 28881), (2241, 9627), (3209, 6723)]