21904784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124459}}^1$

素因数の和:124478

約数の個数: 20

約数和(自身を含む): 46299120

約数和(自身を除く): 24394336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124459, 248918, 497836, 995672, 1369049, 1991344, 2738098, 5476196, 10952392, 21904784]

約数ペア:

[(1, 21904784), (2, 10952392), (4, 5476196), (8, 2738098), (11, 1991344), (16, 1369049), (22, 995672), (44, 497836), (88, 248918), (176, 124459)]