21244024

素因数分解:

$2^3\times {\mathrm{1543}}^1\times {\mathrm{1721}}^1$

素因数の和:3270

約数の個数: 16

約数和(自身を含む): 39881520

約数和(自身を除く): 18637496

約数列:

[1, 2, 4, 8, 1543, 1721, 3086, 3442, 6172, 6884, 12344, 13768, 2655503, 5311006, 10622012, 21244024]

約数ペア:

[(1, 21244024), (2, 10622012), (4, 5311006), (8, 2655503), (1543, 13768), (1721, 12344), (3086, 6884), (3442, 6172)]