21000618159

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{489217}}^1$

素因数の和:489610

約数の個数: 16

約数和(自身を含む): 28766018400

約数和(自身を除く): 7765400241

約数列:

[1, 3, 41, 123, 349, 1047, 14309, 42927, 489217, 1467651, 20057897, 60173691, 170736733, 512210199, 7000206053, 21000618159]

約数ペア:

[(1, 21000618159), (3, 7000206053), (41, 512210199), (123, 170736733), (349, 60173691), (1047, 20057897), (14309, 1467651), (42927, 489217)]