21363867

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10939}}^1$

素因数の和:10983

約数の個数: 24

約数和(自身を含む): 36408320

約数和(自身を除く): 15044453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10939, 32817, 76573, 98451, 229719, 339109, 689157, 1017327, 2373763, 3051981, 7121289, 21363867]

約数ペア:

[(1, 21363867), (3, 7121289), (7, 3051981), (9, 2373763), (21, 1017327), (31, 689157), (63, 339109), (93, 229719), (217, 98451), (279, 76573), (651, 32817), (1953, 10939)]