21678216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129037}}^1$

素因数の和:129053

約数の個数: 32

約数和(自身を含む): 61938240

約数和(自身を除く): 40260024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129037, 258074, 387111, 516148, 774222, 903259, 1032296, 1548444, 1806518, 2709777, 3096888, 3613036, 5419554, 7226072, 10839108, 21678216]

約数ペア:

[(1, 21678216), (2, 10839108), (3, 7226072), (4, 5419554), (6, 3613036), (7, 3096888), (8, 2709777), (12, 1806518), (14, 1548444), (21, 1032296), (24, 903259), (28, 774222), (42, 516148), (56, 387111), (84, 258074), (168, 129037)]