21088022679

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3566383}}^1$

素因数の和:3566468

約数の個数: 20

約数和(自身を含む): 31933402336

約数和(自身を除く): 10845379657

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 3566383, 10699149, 32097447, 96292341, 260345959, 288877023, 781037877, 2343113631, 7029340893, 21088022679]

約数ペア:

[(1, 21088022679), (3, 7029340893), (9, 2343113631), (27, 781037877), (73, 288877023), (81, 260345959), (219, 96292341), (657, 32097447), (1971, 10699149), (5913, 3566383)]