21633117

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 11268003

約数列:

[1, 3, 11, 33, 41, 59, 123, 177, 271, 451, 649, 813, 1353, 1947, 2419, 2981, 7257, 8943, 11111, 15989, 26609, 33333, 47967, 79827, 122221, 175879, 366663, 527637, 655549, 1966647, 7211039, 21633117]

約数ペア:

[(1, 21633117), (3, 7211039), (11, 1966647), (33, 655549), (41, 527637), (59, 366663), (123, 175879), (177, 122221), (271, 79827), (451, 47967), (649, 33333), (813, 26609), (1353, 15989), (1947, 11111), (2419, 8943), (2981, 7257)]