21082808

素因数分解:

$2^3\times {\mathrm{1579}}^1\times {\mathrm{1669}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 39579000

約数和(自身を除く): 18496192

約数列:

[1, 2, 4, 8, 1579, 1669, 3158, 3338, 6316, 6676, 12632, 13352, 2635351, 5270702, 10541404, 21082808]

約数ペア:

[(1, 21082808), (2, 10541404), (4, 5270702), (8, 2635351), (1579, 13352), (1669, 12632), (3158, 6676), (3338, 6316)]