21416996846

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{3989}}^1$

素因数の和:4257

約数の個数: 64

約数和(自身を含む): 38610432000

約数和(自身を除く): 17193435154

約数列:

[1, 2, 7, 14, 31, 62, 89, 139, 178, 217, 278, 434, 623, 973, 1246, 1946, 2759, 3989, 4309, 5518, 7978, 8618, 12371, 19313, 24742, 27923, 30163, 38626, 55846, 60326, 86597, 123659, 173194, 247318, 355021, 383501, 554471, 710042, 767002, 865613, 1108942, 1731226, 2485147, 2684507, 3881297, 4970294, 5369014, 7762594, 11005651, 17188601, 22011302, 34377202, 49347919, 77039557, 98695838, 120320207, 154079114, 240640414, 345435433, 690870866, 1529785489, 3059570978, 10708498423, 21416996846]

約数ペア:

[(1, 21416996846), (2, 10708498423), (7, 3059570978), (14, 1529785489), (31, 690870866), (62, 345435433), (89, 240640414), (139, 154079114), (178, 120320207), (217, 98695838), (278, 77039557), (434, 49347919), (623, 34377202), (973, 22011302), (1246, 17188601), (1946, 11005651), (2759, 7762594), (3989, 5369014), (4309, 4970294), (5518, 3881297), (7978, 2684507), (8618, 2485147), (12371, 1731226), (19313, 1108942), (24742, 865613), (27923, 767002), (30163, 710042), (38626, 554471), (55846, 383501), (60326, 355021), (86597, 247318), (123659, 173194)]