21242418

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27020622

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 97, 102, 113, 114, 194, 226, 291, 323, 339, 582, 646, 678, 969, 1649, 1843, 1921, 1938, 2147, 3298, 3686, 3842, 4294, 4947, 5529, 5763, 6441, 9894, 10961, 11058, 11526, 12882, 21922, 31331, 32883, 36499, 62662, 65766, 72998, 93993, 109497, 186337, 187986, 208259, 218994, 372674, 416518, 559011, 624777, 1118022, 1249554, 3540403, 7080806, 10621209, 21242418]

約数ペア:

[(1, 21242418), (2, 10621209), (3, 7080806), (6, 3540403), (17, 1249554), (19, 1118022), (34, 624777), (38, 559011), (51, 416518), (57, 372674), (97, 218994), (102, 208259), (113, 187986), (114, 186337), (194, 109497), (226, 93993), (291, 72998), (323, 65766), (339, 62662), (582, 36499), (646, 32883), (678, 31331), (969, 21922), (1649, 12882), (1843, 11526), (1921, 11058), (1938, 10961), (2147, 9894), (3298, 6441), (3686, 5763), (3842, 5529), (4294, 4947)]