21900519

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{59351}}^1$

素因数の和:59398

約数の個数: 12

約数和(自身を含む): 32406192

約数和(自身を除く): 10505673

約数列:

[1, 3, 9, 41, 123, 369, 59351, 178053, 534159, 2433391, 7300173, 21900519]

約数ペア:

[(1, 21900519), (3, 7300173), (9, 2433391), (41, 534159), (123, 178053), (369, 59351)]