21331816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22037}}^1$

素因数の和:22065

約数の個数: 24

約数和(自身を含む): 43965810

約数和(自身を除く): 22633994

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22037, 44074, 88148, 176296, 242407, 484814, 969628, 1939256, 2666477, 5332954, 10665908, 21331816]

約数ペア:

[(1, 21331816), (2, 10665908), (4, 5332954), (8, 2666477), (11, 1939256), (22, 969628), (44, 484814), (88, 242407), (121, 176296), (242, 88148), (484, 44074), (968, 22037)]