21797202

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{518981}}^1$

素因数の和:518993

約数の個数: 16

約数和(自身を含む): 49822272

約数和(自身を除く): 28025070

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 518981, 1037962, 1556943, 3113886, 3632867, 7265734, 10898601, 21797202]

約数ペア:

[(1, 21797202), (2, 10898601), (3, 7265734), (6, 3632867), (7, 3113886), (14, 1556943), (21, 1037962), (42, 518981)]