21000716356

素因数分解:

$2^2\times {\mathrm{769}}^1\times {\mathrm{6827281}}^1$

素因数の和:6828054

約数の個数: 12

約数和(自身を含む): 36799049980

約数和(自身を除く): 15798333624

約数列:

[1, 2, 4, 769, 1538, 3076, 6827281, 13654562, 27309124, 5250179089, 10500358178, 21000716356]

約数ペア:

[(1, 21000716356), (2, 10500358178), (4, 5250179089), (769, 27309124), (1538, 13654562), (3076, 6827281)]