21000950268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{104551}}^1$

素因数の和:105458

約数の個数: 48

約数和(自身を含む): 51640323840

約数和(自身を除く): 30639373572

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 881, 1762, 2643, 3524, 5286, 10572, 16739, 33478, 50217, 66956, 100434, 104551, 200868, 209102, 313653, 418204, 627306, 1254612, 1986469, 3972938, 5959407, 7945876, 11918814, 23837628, 92109431, 184218862, 276328293, 368437724, 552656586, 1105313172, 1750079189, 3500158378, 5250237567, 7000316756, 10500475134, 21000950268]

約数ペア:

[(1, 21000950268), (2, 10500475134), (3, 7000316756), (4, 5250237567), (6, 3500158378), (12, 1750079189), (19, 1105313172), (38, 552656586), (57, 368437724), (76, 276328293), (114, 184218862), (228, 92109431), (881, 23837628), (1762, 11918814), (2643, 7945876), (3524, 5959407), (5286, 3972938), (10572, 1986469), (16739, 1254612), (33478, 627306), (50217, 418204), (66956, 313653), (100434, 209102), (104551, 200868)]