21000895526

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{8123}}^1\times {\mathrm{7649}}^1$

素因数の和:15800

約数の個数: 24

約数和(自身を含む): 34119581400

約数和(自身を除く): 13118685874

約数列:

[1, 2, 13, 26, 169, 338, 7649, 8123, 15298, 16246, 99437, 105599, 198874, 211198, 1292681, 1372787, 2585362, 2745574, 62132827, 124265654, 807726751, 1615453502, 10500447763, 21000895526]

約数ペア:

[(1, 21000895526), (2, 10500447763), (13, 1615453502), (26, 807726751), (169, 124265654), (338, 62132827), (7649, 2745574), (8123, 2585362), (15298, 1372787), (16246, 1292681), (99437, 211198), (105599, 198874)]