21249558

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 54587520

約数和(自身を除く): 33337962

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 59, 66, 99, 102, 107, 118, 153, 177, 187, 198, 214, 306, 321, 354, 374, 531, 561, 642, 649, 963, 1003, 1062, 1122, 1177, 1298, 1683, 1819, 1926, 1947, 2006, 2354, 3009, 3366, 3531, 3638, 3894, 5457, 5841, 6018, 6313, 7062, 9027, 10593, 10914, 11033, 11682, 12626, 16371, 18054, 18939, 20009, 21186, 22066, 32742, 33099, 37878, 40018, 56817, 60027, 66198, 69443, 99297, 107321, 113634, 120054, 138886, 180081, 198594, 208329, 214642, 321963, 360162, 416658, 624987, 643926, 965889, 1180531, 1249974, 1931778, 2361062, 3541593, 7083186, 10624779, 21249558]

約数ペア:

[(1, 21249558), (2, 10624779), (3, 7083186), (6, 3541593), (9, 2361062), (11, 1931778), (17, 1249974), (18, 1180531), (22, 965889), (33, 643926), (34, 624987), (51, 416658), (59, 360162), (66, 321963), (99, 214642), (102, 208329), (107, 198594), (118, 180081), (153, 138886), (177, 120054), (187, 113634), (198, 107321), (214, 99297), (306, 69443), (321, 66198), (354, 60027), (374, 56817), (531, 40018), (561, 37878), (642, 33099), (649, 32742), (963, 22066), (1003, 21186), (1062, 20009), (1122, 18939), (1177, 18054), (1298, 16371), (1683, 12626), (1819, 11682), (1926, 11033), (1947, 10914), (2006, 10593), (2354, 9027), (3009, 7062), (3366, 6313), (3531, 6018), (3638, 5841), (3894, 5457)]