21090382

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1931}}^1$

素因数の和:2103

約数の個数: 16

約数和(自身を含む): 32643072

約数和(自身を除く): 11552690

約数列:

[1, 2, 43, 86, 127, 254, 1931, 3862, 5461, 10922, 83033, 166066, 245237, 490474, 10545191, 21090382]

約数ペア:

[(1, 21090382), (2, 10545191), (43, 490474), (86, 245237), (127, 166066), (254, 83033), (1931, 10922), (3862, 5461)]