21228848

素因数分解:

$2^4\times {\mathrm{1039}}^1\times {\mathrm{1277}}^1$

素因数の和:2324

約数の個数: 20

約数和(自身を含む): 41202720

約数和(自身を除く): 19973872

約数列:

[1, 2, 4, 8, 16, 1039, 1277, 2078, 2554, 4156, 5108, 8312, 10216, 16624, 20432, 1326803, 2653606, 5307212, 10614424, 21228848]

約数ペア:

[(1, 21228848), (2, 10614424), (4, 5307212), (8, 2653606), (16, 1326803), (1039, 20432), (1277, 16624), (2078, 10216), (2554, 8312), (4156, 5108)]