21731732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3889}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 41825280

約数和(自身を除く): 20093548

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3889, 5588, 7778, 15556, 42779, 85558, 171116, 493903, 987806, 1975612, 5432933, 10865866, 21731732]

約数ペア:

[(1, 21731732), (2, 10865866), (4, 5432933), (11, 1975612), (22, 987806), (44, 493903), (127, 171116), (254, 85558), (508, 42779), (1397, 15556), (2794, 7778), (3889, 5588)]