21139023

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 28717056

約数和(自身を除く): 7578033

約数列:

[1, 3, 113, 127, 339, 381, 491, 1473, 14351, 43053, 55483, 62357, 166449, 187071, 7046341, 21139023]

約数ペア:

[(1, 21139023), (3, 7046341), (113, 187071), (127, 166449), (339, 62357), (381, 55483), (491, 43053), (1473, 14351)]