21958317

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{3001}}^1$

素因数の和:3281

約数の個数: 16

約数和(自身を含む): 32661760

約数和(自身を除く): 10703443

約数列:

[1, 3, 9, 27, 271, 813, 2439, 3001, 7317, 9003, 27009, 81027, 813271, 2439813, 7319439, 21958317]

約数ペア:

[(1, 21958317), (3, 7319439), (9, 2439813), (27, 813271), (271, 81027), (813, 27009), (2439, 9003), (3001, 7317)]