21842758

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25577}}^1$

素因数の和:25647

約数の個数: 16

約数和(自身を含む): 38060064

約数和(自身を除く): 16217306

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25577, 51154, 179039, 358078, 1560197, 3120394, 10921379, 21842758]

約数ペア:

[(1, 21842758), (2, 10921379), (7, 3120394), (14, 1560197), (61, 358078), (122, 179039), (427, 51154), (854, 25577)]