21091096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202799}}^1$

素因数の和:202818

約数の個数: 16

約数和(自身を含む): 42588000

約数和(自身を除く): 21496904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202799, 405598, 811196, 1622392, 2636387, 5272774, 10545548, 21091096]

約数ペア:

[(1, 21091096), (2, 10545548), (4, 5272774), (8, 2636387), (13, 1622392), (26, 811196), (52, 405598), (104, 202799)]