21087131

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1447}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 24326400

約数和(自身を除く): 3239269

約数列:

[1, 13, 19, 59, 247, 767, 1121, 1447, 14573, 18811, 27493, 85373, 357409, 1109849, 1622087, 21087131]

約数ペア:

[(1, 21087131), (13, 1622087), (19, 1109849), (59, 357409), (247, 85373), (767, 27493), (1121, 18811), (1447, 14573)]