21585795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1699}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 43411200

約数和(自身を除く): 21825405

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1699, 1815, 2541, 4235, 5097, 8495, 11893, 12705, 18689, 25485, 35679, 56067, 59465, 93445, 130823, 178395, 205579, 280335, 392469, 616737, 654115, 1027895, 1439053, 1962345, 3083685, 4317159, 7195265, 21585795]

約数ペア:

[(1, 21585795), (3, 7195265), (5, 4317159), (7, 3083685), (11, 1962345), (15, 1439053), (21, 1027895), (33, 654115), (35, 616737), (55, 392469), (77, 280335), (105, 205579), (121, 178395), (165, 130823), (231, 93445), (363, 59465), (385, 56067), (605, 35679), (847, 25485), (1155, 18689), (1699, 12705), (1815, 11893), (2541, 8495), (4235, 5097)]