21298021285

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{1543}}^1\times {\mathrm{21737}}^1$

素因数の和:23412

約数の個数: 16

約数和(自身を含む): 25776746496

約数和(自身を除く): 4478725211

約数列:

[1, 5, 127, 635, 1543, 7715, 21737, 108685, 195961, 979805, 2760599, 13802995, 33540191, 167700955, 4259604257, 21298021285]

約数ペア:

[(1, 21298021285), (5, 4259604257), (127, 167700955), (635, 33540191), (1543, 13802995), (7715, 2760599), (21737, 979805), (108685, 195961)]