21000612318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500014579}}^1$

素因数の和:500014591

約数の個数: 16

約数和(自身を含む): 48001399680

約数和(自身を除く): 27000787362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500014579, 1000029158, 1500043737, 3000087474, 3500102053, 7000204106, 10500306159, 21000612318]

約数ペア:

[(1, 21000612318), (2, 10500306159), (3, 7000204106), (6, 3500102053), (7, 3000087474), (14, 1500043737), (21, 1000029158), (42, 500014579)]