22510887

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 35599872

約数和(自身を除く): 13088985

約数列:

[1, 3, 7, 21, 43, 97, 129, 257, 291, 301, 679, 771, 903, 1799, 2037, 4171, 5397, 11051, 12513, 24929, 29197, 33153, 74787, 77357, 87591, 174503, 232071, 523509, 1071947, 3215841, 7503629, 22510887]

約数ペア:

[(1, 22510887), (3, 7503629), (7, 3215841), (21, 1071947), (43, 523509), (97, 232071), (129, 174503), (257, 87591), (291, 77357), (301, 74787), (679, 33153), (771, 29197), (903, 24929), (1799, 12513), (2037, 11051), (4171, 5397)]