21539048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86851}}^1$

素因数の和:86888

約数の個数: 16

約数和(自身を含む): 41688960

約数和(自身を除く): 20149912

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86851, 173702, 347404, 694808, 2692381, 5384762, 10769524, 21539048]

約数ペア:

[(1, 21539048), (2, 10769524), (4, 5384762), (8, 2692381), (31, 694808), (62, 347404), (124, 173702), (248, 86851)]