21897272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144061}}^1$

素因数の和:144086

約数の個数: 16

約数和(自身を含む): 43218600

約数和(自身を除く): 21321328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144061, 288122, 576244, 1152488, 2737159, 5474318, 10948636, 21897272]

約数ペア:

[(1, 21897272), (2, 10948636), (4, 5474318), (8, 2737159), (19, 1152488), (38, 576244), (76, 288122), (152, 144061)]