21891762

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1123}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 51389280

約数和(自身を除く): 29497518

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1083, 1123, 2166, 2246, 3249, 3369, 6498, 6738, 9747, 10107, 19494, 20214, 21337, 30321, 42674, 60642, 64011, 128022, 192033, 384066, 405403, 576099, 810806, 1152198, 1216209, 2432418, 3648627, 7297254, 10945881, 21891762]

約数ペア:

[(1, 21891762), (2, 10945881), (3, 7297254), (6, 3648627), (9, 2432418), (18, 1216209), (19, 1152198), (27, 810806), (38, 576099), (54, 405403), (57, 384066), (114, 192033), (171, 128022), (342, 64011), (361, 60642), (513, 42674), (722, 30321), (1026, 21337), (1083, 20214), (1123, 19494), (2166, 10107), (2246, 9747), (3249, 6738), (3369, 6498)]