21291431447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11447}}^1\times {\mathrm{13007}}^1$

素因数の和:24478

約数の個数: 16

約数和(自身を含む): 25017818112

約数和(自身を除く): 3726386665

約数列:

[1, 11, 13, 143, 11447, 13007, 125917, 143077, 148811, 169091, 1636921, 1860001, 148891129, 1637802419, 1935584677, 21291431447]

約数ペア:

[(1, 21291431447), (11, 1935584677), (13, 1637802419), (143, 148891129), (11447, 1860001), (13007, 1636921), (125917, 169091), (143077, 148811)]