21518552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244529}}^1$

素因数の和:244546

約数の個数: 16

約数和(自身を含む): 44015400

約数和(自身を除く): 22496848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244529, 489058, 978116, 1956232, 2689819, 5379638, 10759276, 21518552]

約数ペア:

[(1, 21518552), (2, 10759276), (4, 5379638), (8, 2689819), (11, 1956232), (22, 978116), (44, 489058), (88, 244529)]