21201703033

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{208927}}^1$

素因数の和:209069

約数の個数: 24

約数和(自身を含む): 26199571200

約数和(自身を除く): 4997868167

約数列:

[1, 7, 19, 49, 109, 133, 763, 931, 2071, 5341, 14497, 101479, 208927, 1462489, 3969613, 10237423, 22773043, 27787291, 159411301, 194511037, 432687817, 1115879107, 3028814719, 21201703033]

約数ペア:

[(1, 21201703033), (7, 3028814719), (19, 1115879107), (49, 432687817), (109, 194511037), (133, 159411301), (763, 27787291), (931, 22773043), (2071, 10237423), (5341, 3969613), (14497, 1462489), (101479, 208927)]