21456848

素因数分解:

$2^4\times 7^1\times {\mathrm{191579}}^1$

素因数の和:191594

約数の個数: 20

約数和(自身を含む): 47511840

約数和(自身を除く): 26054992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191579, 383158, 766316, 1341053, 1532632, 2682106, 3065264, 5364212, 10728424, 21456848]

約数ペア:

[(1, 21456848), (2, 10728424), (4, 5364212), (7, 3065264), (8, 2682106), (14, 1532632), (16, 1341053), (28, 766316), (56, 383158), (112, 191579)]