21325670457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4967}}^1\times {\mathrm{15727}}^1$

素因数の和:20717

約数の個数: 32

約数和(自身を含む): 35005243392

約数和(自身を除く): 13679572935

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 4967, 14901, 15727, 34769, 47181, 64571, 104307, 110089, 193713, 204451, 330267, 451997, 613353, 1355991, 1431157, 4293471, 78116009, 234348027, 546812063, 1015508117, 1640436189, 3046524351, 7108556819, 21325670457]

約数ペア:

[(1, 21325670457), (3, 7108556819), (7, 3046524351), (13, 1640436189), (21, 1015508117), (39, 546812063), (91, 234348027), (273, 78116009), (4967, 4293471), (14901, 1431157), (15727, 1355991), (34769, 613353), (47181, 451997), (64571, 330267), (104307, 204451), (110089, 193713)]