21220359738

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66730691}}^1$

素因数の和:66730749

約数の個数: 16

約数和(自身を含む): 43241488416

約数和(自身を除く): 22021128678

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66730691, 133461382, 200192073, 400384146, 3536726623, 7073453246, 10610179869, 21220359738]

約数ペア:

[(1, 21220359738), (2, 10610179869), (3, 7073453246), (6, 3536726623), (53, 400384146), (106, 200192073), (159, 133461382), (318, 66730691)]