21998520081

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{675029}}^1$

素因数の和:675126

約数の個数: 32

約数和(自身を含む): 34993555200

約数和(自身を除く): 12995035119

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 3621, 10863, 32589, 675029, 2025087, 6075261, 11475493, 18225783, 34426479, 47927059, 103279437, 143781177, 309838311, 431343531, 814760003, 1294030593, 2444280009, 7332840027, 21998520081]

約数ペア:

[(1, 21998520081), (3, 7332840027), (9, 2444280009), (17, 1294030593), (27, 814760003), (51, 431343531), (71, 309838311), (153, 143781177), (213, 103279437), (459, 47927059), (639, 34426479), (1207, 18225783), (1917, 11475493), (3621, 6075261), (10863, 2025087), (32589, 675029)]