21416289

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1471}}^1$

素因数の和:1708

約数の個数: 16

約数和(自身を含む): 29958144

約数和(自身を除く): 8541855

約数列:

[1, 3, 23, 69, 211, 633, 1471, 4413, 4853, 14559, 33833, 101499, 310381, 931143, 7138763, 21416289]

約数ペア:

[(1, 21416289), (3, 7138763), (23, 931143), (69, 310381), (211, 101499), (633, 33833), (1471, 14559), (4413, 4853)]