213521644

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{31907}}^1$

素因数の和:32157

約数の個数: 24

約数和(自身を含む): 428843520

約数和(自身を除く): 215321876

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3346, 6692, 31907, 63814, 127628, 223349, 446698, 893396, 7625773, 15251546, 30503092, 53380411, 106760822, 213521644]

約数ペア:

[(1, 213521644), (2, 106760822), (4, 53380411), (7, 30503092), (14, 15251546), (28, 7625773), (239, 893396), (478, 446698), (956, 223349), (1673, 127628), (3346, 63814), (6692, 31907)]