2021109739431

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{552668783}}^1$

素因数の和:552668862

約数の個数: 16

約数和(自身を含む): 2865034976256

約数和(自身を除く): 843925236825

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 552668783, 1658006349, 12711382009, 29291445499, 38134146027, 87874336497, 673703246477, 2021109739431]

約数ペア:

[(1, 2021109739431), (3, 673703246477), (23, 87874336497), (53, 38134146027), (69, 29291445499), (159, 12711382009), (1219, 1658006349), (3657, 552668783)]