21339726

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209213}}^1$

素因数の和:209235

約数の個数: 16

約数和(自身を含む): 45190224

約数和(自身を除く): 23850498

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209213, 418426, 627639, 1255278, 3556621, 7113242, 10669863, 21339726]

約数ペア:

[(1, 21339726), (2, 10669863), (3, 7113242), (6, 3556621), (17, 1255278), (34, 627639), (51, 418426), (102, 209213)]