21424930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{653}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 41107824

約数和(自身を除く): 19682894

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 193, 386, 653, 965, 1306, 1930, 3265, 3281, 6530, 6562, 11101, 16405, 22202, 32810, 55505, 111010, 126029, 252058, 630145, 1260290, 2142493, 4284986, 10712465, 21424930]

約数ペア:

[(1, 21424930), (2, 10712465), (5, 4284986), (10, 2142493), (17, 1260290), (34, 630145), (85, 252058), (170, 126029), (193, 111010), (386, 55505), (653, 32810), (965, 22202), (1306, 16405), (1930, 11101), (3265, 6562), (3281, 6530)]