21003912

素因数分解:

$2^3\times 3^2\times {\mathrm{291721}}^1$

素因数の和:291733

約数の個数: 24

約数和(自身を含む): 56885790

約数和(自身を除く): 35881878

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291721, 583442, 875163, 1166884, 1750326, 2333768, 2625489, 3500652, 5250978, 7001304, 10501956, 21003912]

約数ペア:

[(1, 21003912), (2, 10501956), (3, 7001304), (4, 5250978), (6, 3500652), (8, 2625489), (9, 2333768), (12, 1750326), (18, 1166884), (24, 875163), (36, 583442), (72, 291721)]