21590442

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 52617600

約数和(自身を除く): 31027158

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 153, 174, 261, 306, 459, 493, 522, 783, 811, 918, 986, 1479, 1566, 1622, 2433, 2958, 4437, 4866, 7299, 8874, 13311, 13787, 14598, 21897, 23519, 26622, 27574, 41361, 43794, 47038, 70557, 82722, 124083, 141114, 211671, 248166, 372249, 399823, 423342, 635013, 744498, 799646, 1199469, 1270026, 2398938, 3598407, 7196814, 10795221, 21590442]

約数ペア:

[(1, 21590442), (2, 10795221), (3, 7196814), (6, 3598407), (9, 2398938), (17, 1270026), (18, 1199469), (27, 799646), (29, 744498), (34, 635013), (51, 423342), (54, 399823), (58, 372249), (87, 248166), (102, 211671), (153, 141114), (174, 124083), (261, 82722), (306, 70557), (459, 47038), (493, 43794), (522, 41361), (783, 27574), (811, 26622), (918, 23519), (986, 21897), (1479, 14598), (1566, 13787), (1622, 13311), (2433, 8874), (2958, 7299), (4437, 4866)]