21412636

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 23294180

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 307, 329, 371, 614, 658, 742, 1228, 1316, 1484, 2149, 2491, 4298, 4982, 8596, 9964, 14429, 16271, 17437, 28858, 32542, 34874, 57716, 65084, 69748, 101003, 113897, 202006, 227794, 404012, 455588, 764737, 1529474, 3058948, 5353159, 10706318, 21412636]

約数ペア:

[(1, 21412636), (2, 10706318), (4, 5353159), (7, 3058948), (14, 1529474), (28, 764737), (47, 455588), (53, 404012), (94, 227794), (106, 202006), (188, 113897), (212, 101003), (307, 69748), (329, 65084), (371, 57716), (614, 34874), (658, 32542), (742, 28858), (1228, 17437), (1316, 16271), (1484, 14429), (2149, 9964), (2491, 8596), (4298, 4982)]