21488654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7691}}^1$

素因数の和:7831

約数の個数: 16

約数和(自身を含む): 35444736

約数和(自身を除く): 13956082

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7691, 15382, 84601, 169202, 976757, 1953514, 10744327, 21488654]

約数ペア:

[(1, 21488654), (2, 10744327), (11, 1953514), (22, 976757), (127, 169202), (254, 84601), (1397, 15382), (2794, 7691)]