21071946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4871}}^1$

素因数の和:4986

約数の個数: 32

約数和(自身を含む): 48642048

約数和(自身を除く): 27570102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4871, 9742, 14613, 29226, 34097, 68194, 102291, 204582, 501713, 1003426, 1505139, 3010278, 3511991, 7023982, 10535973, 21071946]

約数ペア:

[(1, 21071946), (2, 10535973), (3, 7023982), (6, 3511991), (7, 3010278), (14, 1505139), (21, 1003426), (42, 501713), (103, 204582), (206, 102291), (309, 68194), (618, 34097), (721, 29226), (1442, 14613), (2163, 9742), (4326, 4871)]