21545728

素因数分解:

$2^8\times {\mathrm{84163}}^1$

素因数の和:84179

約数の個数: 18

約数和(自身を含む): 43007804

約数和(自身を除く): 21462076

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84163, 168326, 336652, 673304, 1346608, 2693216, 5386432, 10772864, 21545728]

約数ペア:

[(1, 21545728), (2, 10772864), (4, 5386432), (8, 2693216), (16, 1346608), (32, 673304), (64, 336652), (128, 168326), (256, 84163)]