21466376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157841}}^1$

素因数の和:157864

約数の個数: 16

約数和(自身を含む): 42617340

約数和(自身を除く): 21150964

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157841, 315682, 631364, 1262728, 2683297, 5366594, 10733188, 21466376]

約数ペア:

[(1, 21466376), (2, 10733188), (4, 5366594), (8, 2683297), (17, 1262728), (34, 631364), (68, 315682), (136, 157841)]