21504049

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 25998336

約数和(自身を除く): 4494287

約数列:

[1, 7, 31, 41, 217, 287, 1271, 2417, 8897, 16919, 74927, 99097, 524489, 693679, 3072007, 21504049]

約数ペア:

[(1, 21504049), (7, 3072007), (31, 693679), (41, 524489), (217, 99097), (287, 74927), (1271, 16919), (2417, 8897)]