21955542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12157}}^1$

素因数の和:12212

約数の個数: 32

約数和(自身を含む): 51355392

約数和(自身を除く): 29399850

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 12157, 24314, 36471, 72942, 85099, 170198, 255297, 510594, 522751, 1045502, 1568253, 3136506, 3659257, 7318514, 10977771, 21955542]

約数ペア:

[(1, 21955542), (2, 10977771), (3, 7318514), (6, 3659257), (7, 3136506), (14, 1568253), (21, 1045502), (42, 522751), (43, 510594), (86, 255297), (129, 170198), (258, 85099), (301, 72942), (602, 36471), (903, 24314), (1806, 12157)]