12321519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30881}}^1$

素因数の和:30910

約数の個数: 16

約数和(自身を含む): 19764480

約数和(自身を除く): 7442961

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 30881, 92643, 216167, 586739, 648501, 1760217, 4107173, 12321519]

約数ペア:

[(1, 12321519), (3, 4107173), (7, 1760217), (19, 648501), (21, 586739), (57, 216167), (133, 92643), (399, 30881)]