21388698243

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{22003}}^1$

素因数の和:23117

約数の個数: 40

約数和(自身を含む): 34889190336

約数和(自身を除く): 13500492093

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 1091, 3273, 9819, 12001, 22003, 29457, 36003, 66009, 88371, 108009, 198027, 242033, 324027, 594081, 726099, 972081, 1782243, 2178297, 6534891, 19604673, 24005273, 72015819, 216047457, 264058003, 648142371, 792174009, 1944427113, 2376522027, 7129566081, 21388698243]

約数ペア:

[(1, 21388698243), (3, 7129566081), (9, 2376522027), (11, 1944427113), (27, 792174009), (33, 648142371), (81, 264058003), (99, 216047457), (297, 72015819), (891, 24005273), (1091, 19604673), (3273, 6534891), (9819, 2178297), (12001, 1782243), (22003, 972081), (29457, 726099), (36003, 594081), (66009, 324027), (88371, 242033), (108009, 198027)]