21776836

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{76679}}^1$

素因数の和:76754

約数の個数: 12

約数和(自身を含む): 38646720

約数和(自身を除く): 16869884

約数列:

[1, 2, 4, 71, 142, 284, 76679, 153358, 306716, 5444209, 10888418, 21776836]

約数ペア:

[(1, 21776836), (2, 10888418), (4, 5444209), (71, 306716), (142, 153358), (284, 76679)]