21412216

素因数分解:

$2^3\times 7^2\times {\mathrm{54623}}^1$

素因数の和:54643

約数の個数: 24

約数和(自身を含む): 46703520

約数和(自身を除く): 25291304

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54623, 109246, 218492, 382361, 436984, 764722, 1529444, 2676527, 3058888, 5353054, 10706108, 21412216]

約数ペア:

[(1, 21412216), (2, 10706108), (4, 5353054), (7, 3058888), (8, 2676527), (14, 1529444), (28, 764722), (49, 436984), (56, 382361), (98, 218492), (196, 109246), (392, 54623)]