21300071

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 2504857

約数列:

[1, 13, 47, 71, 491, 611, 923, 3337, 6383, 23077, 34861, 43381, 300001, 453193, 1638467, 21300071]

約数ペア:

[(1, 21300071), (13, 1638467), (47, 453193), (71, 300001), (491, 43381), (611, 34861), (923, 23077), (3337, 6383)]