21310954895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1712411}}^1$

素因数の和:1712566

約数の個数: 16

約数和(自身を含む): 27124606080

約数和(自身を除く): 5813651185

約数列:

[1, 5, 19, 95, 131, 655, 2489, 12445, 1712411, 8562055, 32535809, 162679045, 224325841, 1121629205, 4262190979, 21310954895]

約数ペア:

[(1, 21310954895), (5, 4262190979), (19, 1121629205), (95, 224325841), (131, 162679045), (655, 32535809), (2489, 8562055), (12445, 1712411)]