21646221

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1021}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 29826048

約数和(自身を除く): 8179827

約数列:

[1, 3, 37, 111, 191, 573, 1021, 3063, 7067, 21201, 37777, 113331, 195011, 585033, 7215407, 21646221]

約数ペア:

[(1, 21646221), (3, 7215407), (37, 585033), (111, 195011), (191, 113331), (573, 37777), (1021, 21201), (3063, 7067)]