21811456

素因数分解:

$2^8\times {\mathrm{85201}}^1$

素因数の和:85217

約数の個数: 18

約数和(自身を含む): 43538222

約数和(自身を除く): 21726766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85201, 170402, 340804, 681608, 1363216, 2726432, 5452864, 10905728, 21811456]

約数ペア:

[(1, 21811456), (2, 10905728), (4, 5452864), (8, 2726432), (16, 1363216), (32, 681608), (64, 340804), (128, 170402), (256, 85201)]