21043051

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:930

約数の個数: 12

約数和(自身を含む): 22549104

約数和(自身を除く): 1506053

約数列:

[1, 19, 71, 361, 821, 1349, 15599, 25631, 58291, 296381, 1107529, 21043051]

約数ペア:

[(1, 21043051), (19, 1107529), (71, 296381), (361, 58291), (821, 25631), (1349, 15599)]