21334449424

素因数分解:

$2^4\times {\mathrm{10529}}^1\times {\mathrm{126641}}^1$

素因数の和:137178

約数の個数: 20

約数和(自身を含む): 41339748060

約数和(自身を除く): 20005298636

約数列:

[1, 2, 4, 8, 16, 10529, 21058, 42116, 84232, 126641, 168464, 253282, 506564, 1013128, 2026256, 1333403089, 2666806178, 5333612356, 10667224712, 21334449424]

約数ペア:

[(1, 21334449424), (2, 10667224712), (4, 5333612356), (8, 2666806178), (16, 1333403089), (10529, 2026256), (21058, 1013128), (42116, 506564), (84232, 253282), (126641, 168464)]