21749530955

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1\times {\mathrm{66863}}^1$

素因数の和:67906

約数の個数: 16

約数和(自身を含む): 26516657664

約数和(自身を除く): 4767126709

約数列:

[1, 5, 67, 335, 971, 4855, 65057, 66863, 325285, 334315, 4479821, 22399105, 64923973, 324619865, 4349906191, 21749530955]

約数ペア:

[(1, 21749530955), (5, 4349906191), (67, 324619865), (335, 64923973), (971, 22399105), (4855, 4479821), (65057, 334315), (66863, 325285)]