21995030

素因数分解:

$2^1\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{1609}}^1$

素因数の和:2983

約数の個数: 16

約数和(自身を含む): 39644640

約数和(自身を除く): 17649610

約数列:

[1, 2, 5, 10, 1367, 1609, 2734, 3218, 6835, 8045, 13670, 16090, 2199503, 4399006, 10997515, 21995030]

約数ペア:

[(1, 21995030), (2, 10997515), (5, 4399006), (10, 2199503), (1367, 16090), (1609, 13670), (2734, 8045), (3218, 6835)]