21216415416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126288187}}^1$

素因数の和:126288203

約数の個数: 32

約数和(自身を含む): 60618330240

約数和(自身を除く): 39401914824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126288187, 252576374, 378864561, 505152748, 757729122, 884017309, 1010305496, 1515458244, 1768034618, 2652051927, 3030916488, 3536069236, 5304103854, 7072138472, 10608207708, 21216415416]

約数ペア:

[(1, 21216415416), (2, 10608207708), (3, 7072138472), (4, 5304103854), (6, 3536069236), (7, 3030916488), (8, 2652051927), (12, 1768034618), (14, 1515458244), (21, 1010305496), (24, 884017309), (28, 757729122), (42, 505152748), (56, 378864561), (84, 252576374), (168, 126288187)]