21169930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124529}}^1$

素因数の和:124553

約数の個数: 16

約数和(自身を含む): 40347720

約数和(自身を除く): 19177790

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124529, 249058, 622645, 1245290, 2116993, 4233986, 10584965, 21169930]

約数ペア:

[(1, 21169930), (2, 10584965), (5, 4233986), (10, 2116993), (17, 1245290), (34, 622645), (85, 249058), (170, 124529)]