21158030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124459}}^1$

素因数の和:124483

約数の個数: 16

約数和(自身を含む): 40325040

約数和(自身を除く): 19167010

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124459, 248918, 622295, 1244590, 2115803, 4231606, 10579015, 21158030]

約数ペア:

[(1, 21158030), (2, 10579015), (5, 4231606), (10, 2115803), (17, 1244590), (34, 622295), (85, 248918), (170, 124459)]