21171513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{2267}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 30917376

約数和(自身を除く): 9745863

約数列:

[1, 3, 11, 33, 283, 849, 2267, 3113, 6801, 9339, 24937, 74811, 641561, 1924683, 7057171, 21171513]

約数ペア:

[(1, 21171513), (3, 7057171), (11, 1924683), (33, 641561), (283, 74811), (849, 24937), (2267, 9339), (3113, 6801)]