21126674

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 24

約数和(自身を含む): 33733260

約数和(自身を除く): 12606586

約数列:

[1, 2, 29, 43, 58, 86, 197, 394, 1247, 1849, 2494, 3698, 5713, 8471, 11426, 16942, 53621, 107242, 245659, 364253, 491318, 728506, 10563337, 21126674]

約数ペア:

[(1, 21126674), (2, 10563337), (29, 728506), (43, 491318), (58, 364253), (86, 245659), (197, 107242), (394, 53621), (1247, 16942), (1849, 11426), (2494, 8471), (3698, 5713)]