21499012

素因数分解:

$2^2\times {\mathrm{853}}^1\times {\mathrm{6301}}^1$

素因数の和:7158

約数の個数: 12

約数和(自身を含む): 37673356

約数和(自身を除く): 16174344

約数列:

[1, 2, 4, 853, 1706, 3412, 6301, 12602, 25204, 5374753, 10749506, 21499012]

約数ペア:

[(1, 21499012), (2, 10749506), (4, 5374753), (853, 25204), (1706, 12602), (3412, 6301)]