21606438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3701}}^1$

素因数の和:3852

約数の個数: 32

約数和(自身を含む): 49754880

約数和(自身を除く): 28148442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3701, 5838, 7402, 11103, 22206, 25907, 51814, 77721, 155442, 514439, 1028878, 1543317, 3086634, 3601073, 7202146, 10803219, 21606438]

約数ペア:

[(1, 21606438), (2, 10803219), (3, 7202146), (6, 3601073), (7, 3086634), (14, 1543317), (21, 1028878), (42, 514439), (139, 155442), (278, 77721), (417, 51814), (834, 25907), (973, 22206), (1946, 11103), (2919, 7402), (3701, 5838)]