21715136

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2441}}^1$

素因数の和:2592

約数の個数: 28

約数和(自身を含む): 43418760

約数和(自身を除く): 21703624

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2441, 4448, 4882, 8896, 9764, 19528, 39056, 78112, 156224, 339299, 678598, 1357196, 2714392, 5428784, 10857568, 21715136]

約数ペア:

[(1, 21715136), (2, 10857568), (4, 5428784), (8, 2714392), (16, 1357196), (32, 678598), (64, 339299), (139, 156224), (278, 78112), (556, 39056), (1112, 19528), (2224, 9764), (2441, 8896), (4448, 4882)]