21876129

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 35875200

約数和(自身を除く): 13999071

約数列:

[1, 3, 9, 11, 27, 33, 73, 99, 219, 297, 657, 803, 1009, 1971, 2409, 3027, 7227, 9081, 11099, 21681, 27243, 33297, 73657, 99891, 220971, 299673, 662913, 810227, 1988739, 2430681, 7292043, 21876129]

約数ペア:

[(1, 21876129), (3, 7292043), (9, 2430681), (11, 1988739), (27, 810227), (33, 662913), (73, 299673), (99, 220971), (219, 99891), (297, 73657), (657, 33297), (803, 27243), (1009, 21681), (1971, 11099), (2409, 9081), (3027, 7227)]