21706161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11503}}^1$

素因数の和:11560

約数の個数: 16

約数和(自身を含む): 31474944

約数和(自身を除く): 9768783

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11503, 34509, 195551, 425611, 586653, 1276833, 7235387, 21706161]

約数ペア:

[(1, 21706161), (3, 7235387), (17, 1276833), (37, 586653), (51, 425611), (111, 195551), (629, 34509), (1887, 11503)]