21780024

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129643}}^1$

素因数の和:129659

約数の個数: 32

約数和(自身を含む): 62229120

約数和(自身を除く): 40449096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129643, 259286, 388929, 518572, 777858, 907501, 1037144, 1555716, 1815002, 2722503, 3111432, 3630004, 5445006, 7260008, 10890012, 21780024]

約数ペア:

[(1, 21780024), (2, 10890012), (3, 7260008), (4, 5445006), (6, 3630004), (7, 3111432), (8, 2722503), (12, 1815002), (14, 1555716), (21, 1037144), (24, 907501), (28, 777858), (42, 518572), (56, 388929), (84, 259286), (168, 129643)]