21406154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 40473216

約数和(自身を除く): 19067062

約数列:

[1, 2, 7, 11, 14, 22, 77, 97, 154, 194, 679, 1067, 1358, 1433, 2134, 2866, 7469, 10031, 14938, 15763, 20062, 31526, 110341, 139001, 220682, 278002, 973007, 1529011, 1946014, 3058022, 10703077, 21406154]

約数ペア:

[(1, 21406154), (2, 10703077), (7, 3058022), (11, 1946014), (14, 1529011), (22, 973007), (77, 278002), (97, 220682), (154, 139001), (194, 110341), (679, 31526), (1067, 20062), (1358, 15763), (1433, 14938), (2134, 10031), (2866, 7469)]