21402392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243209}}^1$

素因数の和:243226

約数の個数: 16

約数和(自身を含む): 43777800

約数和(自身を除く): 22375408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243209, 486418, 972836, 1945672, 2675299, 5350598, 10701196, 21402392]

約数ペア:

[(1, 21402392), (2, 10701196), (4, 5350598), (8, 2675299), (11, 1945672), (22, 972836), (44, 486418), (88, 243209)]