21610288

素因数分解:

$2^4\times 7^1\times {\mathrm{192949}}^1$

素因数の和:192964

約数の個数: 20

約数和(自身を含む): 47851600

約数和(自身を除く): 26241312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192949, 385898, 771796, 1350643, 1543592, 2701286, 3087184, 5402572, 10805144, 21610288]

約数ペア:

[(1, 21610288), (2, 10805144), (4, 5402572), (7, 3087184), (8, 2701286), (14, 1543592), (16, 1350643), (28, 771796), (56, 385898), (112, 192949)]