21174482

素因数分解:

$2^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2903}}^1$

素因数の和:3433

約数の個数: 16

約数和(自身を含む): 36381312

約数和(自身を除く): 15206830

約数列:

[1, 2, 7, 14, 521, 1042, 2903, 3647, 5806, 7294, 20321, 40642, 1512463, 3024926, 10587241, 21174482]

約数ペア:

[(1, 21174482), (2, 10587241), (7, 3024926), (14, 1512463), (521, 40642), (1042, 20321), (2903, 7294), (3647, 5806)]