21254622

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 26023458

約数列:

[1, 2, 3, 6, 23, 29, 46, 47, 58, 69, 87, 94, 113, 138, 141, 174, 226, 282, 339, 667, 678, 1081, 1334, 1363, 2001, 2162, 2599, 2726, 3243, 3277, 4002, 4089, 5198, 5311, 6486, 6554, 7797, 8178, 9831, 10622, 15594, 15933, 19662, 31349, 31866, 62698, 75371, 94047, 122153, 150742, 154019, 188094, 226113, 244306, 308038, 366459, 452226, 462057, 732918, 924114, 3542437, 7084874, 10627311, 21254622]

約数ペア:

[(1, 21254622), (2, 10627311), (3, 7084874), (6, 3542437), (23, 924114), (29, 732918), (46, 462057), (47, 452226), (58, 366459), (69, 308038), (87, 244306), (94, 226113), (113, 188094), (138, 154019), (141, 150742), (174, 122153), (226, 94047), (282, 75371), (339, 62698), (667, 31866), (678, 31349), (1081, 19662), (1334, 15933), (1363, 15594), (2001, 10622), (2162, 9831), (2599, 8178), (2726, 7797), (3243, 6554), (3277, 6486), (4002, 5311), (4089, 5198)]