21090844

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{29131}}^1$

素因数の和:29316

約数の個数: 12

約数和(自身を含む): 37114168

約数和(自身を除く): 16023324

約数列:

[1, 2, 4, 181, 362, 724, 29131, 58262, 116524, 5272711, 10545422, 21090844]

約数ペア:

[(1, 21090844), (2, 10545422), (4, 5272711), (181, 116524), (362, 58262), (724, 29131)]