21245286

素因数分解:

$2^1\times 3^1\times {\mathrm{281}}^1\times {\mathrm{12601}}^1$

素因数の和:12887

約数の個数: 16

約数和(自身を含む): 42645168

約数和(自身を除く): 21399882

約数列:

[1, 2, 3, 6, 281, 562, 843, 1686, 12601, 25202, 37803, 75606, 3540881, 7081762, 10622643, 21245286]

約数ペア:

[(1, 21245286), (2, 10622643), (3, 7081762), (6, 3540881), (281, 75606), (562, 37803), (843, 25202), (1686, 12601)]