21000401304

素因数分解:

$2^3\times 3^1\times {\mathrm{875016721}}^1$

素因数の和:875016730

約数の個数: 16

約数和(自身を含む): 52501003320

約数和(自身を除く): 31500602016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875016721, 1750033442, 2625050163, 3500066884, 5250100326, 7000133768, 10500200652, 21000401304]

約数ペア:

[(1, 21000401304), (2, 10500200652), (3, 7000133768), (4, 5250100326), (6, 3500066884), (8, 2625050163), (12, 1750033442), (24, 875016721)]