21188118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504479}}^1$

素因数の和:504491

約数の個数: 16

約数和(自身を含む): 48430080

約数和(自身を除く): 27241962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504479, 1008958, 1513437, 3026874, 3531353, 7062706, 10594059, 21188118]

約数ペア:

[(1, 21188118), (2, 10594059), (3, 7062706), (6, 3531353), (7, 3026874), (14, 1513437), (21, 1008958), (42, 504479)]