21985794

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71849}}^1$

素因数の和:71874

約数の個数: 24

約数和(自身を含む): 50438700

約数和(自身を除く): 28452906

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 71849, 143698, 215547, 431094, 646641, 1221433, 1293282, 2442866, 3664299, 7328598, 10992897, 21985794]

約数ペア:

[(1, 21985794), (2, 10992897), (3, 7328598), (6, 3664299), (9, 2442866), (17, 1293282), (18, 1221433), (34, 646641), (51, 431094), (102, 215547), (153, 143698), (306, 71849)]