21431036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44279}}^1$

素因数の和:44305

約数の個数: 18

約数和(自身を含む): 41224680

約数和(自身を除く): 19793644

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44279, 88558, 177116, 487069, 974138, 1948276, 5357759, 10715518, 21431036]

約数ペア:

[(1, 21431036), (2, 10715518), (4, 5357759), (11, 1948276), (22, 974138), (44, 487069), (121, 177116), (242, 88558), (484, 44279)]