21440314

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3457}}^1$

素因数の和:3909

約数の個数: 16

約数和(自身を含む): 36848448

約数和(自身を除く): 15408134

約数列:

[1, 2, 7, 14, 443, 886, 3101, 3457, 6202, 6914, 24199, 48398, 1531451, 3062902, 10720157, 21440314]

約数ペア:

[(1, 21440314), (2, 10720157), (7, 3062902), (14, 1531451), (443, 48398), (886, 24199), (3101, 6914), (3457, 6202)]