216681570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{343939}}^1$

素因数の和:343959

約数の個数: 48

約数和(自身を含む): 643855680

約数和(自身を除く): 427174110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 343939, 687878, 1031817, 1719695, 2063634, 2407573, 3095451, 3439390, 4815146, 5159085, 6190902, 7222719, 10318170, 12037865, 14445438, 15477255, 21668157, 24075730, 30954510, 36113595, 43336314, 72227190, 108340785, 216681570]

約数ペア:

[(1, 216681570), (2, 108340785), (3, 72227190), (5, 43336314), (6, 36113595), (7, 30954510), (9, 24075730), (10, 21668157), (14, 15477255), (15, 14445438), (18, 12037865), (21, 10318170), (30, 7222719), (35, 6190902), (42, 5159085), (45, 4815146), (63, 3439390), (70, 3095451), (90, 2407573), (105, 2063634), (126, 1719695), (210, 1031817), (315, 687878), (630, 343939)]