21040923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 8594277

約数列:

[1, 3, 19, 57, 419, 881, 1257, 2643, 7961, 16739, 23883, 50217, 369139, 1107417, 7013641, 21040923]

約数ペア:

[(1, 21040923), (3, 7013641), (19, 1107417), (57, 369139), (419, 50217), (881, 23883), (1257, 16739), (2643, 7961)]