21031838787

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{7673}}^1\times {\mathrm{8539}}^1$

素因数の和:16322

約数の個数: 16

約数和(自身を含む): 28311534720

約数和(自身を除く): 7279695933

約数列:

[1, 3, 107, 321, 7673, 8539, 23019, 25617, 821011, 913673, 2463033, 2741019, 65519747, 196559241, 7010612929, 21031838787]

約数ペア:

[(1, 21031838787), (3, 7010612929), (107, 196559241), (321, 65519747), (7673, 2741019), (8539, 2463033), (23019, 913673), (25617, 821011)]