21139131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{859}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 30437120

約数和(自身を除く): 9297989

約数列:

[1, 3, 13, 39, 631, 859, 1893, 2577, 8203, 11167, 24609, 33501, 542029, 1626087, 7046377, 21139131]

約数ペア:

[(1, 21139131), (3, 7046377), (13, 1626087), (39, 542029), (631, 33501), (859, 24609), (1893, 11167), (2577, 8203)]