21401394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509557}}^1$

素因数の和:509569

約数の個数: 16

約数和(自身を含む): 48917568

約数和(自身を除く): 27516174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509557, 1019114, 1528671, 3057342, 3566899, 7133798, 10700697, 21401394]

約数ペア:

[(1, 21401394), (2, 10700697), (3, 7133798), (6, 3566899), (7, 3057342), (14, 1528671), (21, 1019114), (42, 509557)]