21686574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39719}}^1$

素因数の和:39744

約数の個数: 32

約数和(自身を含む): 53383680

約数和(自身を除く): 31697106

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39719, 79438, 119157, 238314, 278033, 516347, 556066, 834099, 1032694, 1549041, 1668198, 3098082, 3614429, 7228858, 10843287, 21686574]

約数ペア:

[(1, 21686574), (2, 10843287), (3, 7228858), (6, 3614429), (7, 3098082), (13, 1668198), (14, 1549041), (21, 1032694), (26, 834099), (39, 556066), (42, 516347), (78, 278033), (91, 238314), (182, 119157), (273, 79438), (546, 39719)]