21987823

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{859}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 26006400

約数和(自身を除く): 4018577

約数列:

[1, 11, 13, 143, 179, 859, 1969, 2327, 9449, 11167, 25597, 122837, 153761, 1691371, 1998893, 21987823]

約数ペア:

[(1, 21987823), (11, 1998893), (13, 1691371), (143, 153761), (179, 122837), (859, 25597), (1969, 11167), (2327, 9449)]