21204238874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{379501}}^1$

素因数の和:379830

約数の個数: 32

約数和(自身を含む): 39273902976

約数和(自身を除く): 18069664102

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 307, 614, 2149, 3991, 4298, 7982, 27937, 55874, 379501, 759002, 2656507, 4933513, 5313014, 9867026, 34534591, 69069182, 116506807, 233013614, 815547649, 1514588491, 1631095298, 3029176982, 10602119437, 21204238874]

約数ペア:

[(1, 21204238874), (2, 10602119437), (7, 3029176982), (13, 1631095298), (14, 1514588491), (26, 815547649), (91, 233013614), (182, 116506807), (307, 69069182), (614, 34534591), (2149, 9867026), (3991, 5313014), (4298, 4933513), (7982, 2656507), (27937, 759002), (55874, 379501)]