21786479

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 25812864

約数和(自身を除く): 4026385

約数列:

[1, 11, 13, 131, 143, 1163, 1441, 1703, 12793, 15119, 18733, 152353, 166309, 1675883, 1980589, 21786479]

約数ペア:

[(1, 21786479), (11, 1980589), (13, 1675883), (131, 166309), (143, 152353), (1163, 18733), (1441, 15119), (1703, 12793)]