21998520063

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{786701}}^1$

素因数の和:786959

約数の個数: 24

約数和(自身を含む): 34363143360

約数和(自身を除く): 12364623297

約数列:

[1, 3, 9, 13, 39, 117, 239, 717, 2151, 3107, 9321, 27963, 786701, 2360103, 7080309, 10227113, 30681339, 92044017, 188021539, 564064617, 1692193851, 2444280007, 7332840021, 21998520063]

約数ペア:

[(1, 21998520063), (3, 7332840021), (9, 2444280007), (13, 1692193851), (39, 564064617), (117, 188021539), (239, 92044017), (717, 30681339), (2151, 10227113), (3107, 7080309), (9321, 2360103), (27963, 786701)]