21715096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{208799}}^1$

素因数の和:208818

約数の個数: 16

約数和(自身を含む): 43848000

約数和(自身を除く): 22132904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 208799, 417598, 835196, 1670392, 2714387, 5428774, 10857548, 21715096]

約数ペア:

[(1, 21715096), (2, 10857548), (4, 5428774), (8, 2714387), (13, 1670392), (26, 835196), (52, 417598), (104, 208799)]