21088040987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{991}}^1\times {\mathrm{1951}}^1$

素因数の和:3794

約数の個数: 16

約数和(自身を含む): 22771875840

約数和(自身を除く): 1683834853

約数列:

[1, 13, 839, 991, 1951, 10907, 12883, 25363, 831449, 1636889, 1933441, 10808837, 21279557, 25134733, 1622156999, 21088040987]

約数ペア:

[(1, 21088040987), (13, 1622156999), (839, 25134733), (991, 21279557), (1951, 10808837), (10907, 1933441), (12883, 1636889), (25363, 831449)]