21893301

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{42677}}^1$

素因数の和:42705

約数の個数: 16

約数和(自身を含む): 34142400

約数和(自身を除く): 12249099

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 42677, 128031, 384093, 810863, 1152279, 2432589, 7297767, 21893301]

約数ペア:

[(1, 21893301), (3, 7297767), (9, 2432589), (19, 1152279), (27, 810863), (57, 384093), (171, 128031), (513, 42677)]