21931960515

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1667}}^1\times {\mathrm{5381}}^1$

素因数の和:7219

約数の個数: 32

約数和(自身を含む): 35334164736

約数和(自身を除く): 13402204221

約数列:

[1, 3, 5, 15, 163, 489, 815, 1667, 2445, 5001, 5381, 8335, 16143, 25005, 26905, 80715, 271721, 815163, 877103, 1358605, 2631309, 4075815, 4385515, 8970127, 13156545, 26910381, 44850635, 134551905, 1462130701, 4386392103, 7310653505, 21931960515]

約数ペア:

[(1, 21931960515), (3, 7310653505), (5, 4386392103), (15, 1462130701), (163, 134551905), (489, 44850635), (815, 26910381), (1667, 13156545), (2445, 8970127), (5001, 4385515), (5381, 4075815), (8335, 2631309), (16143, 1358605), (25005, 877103), (26905, 815163), (80715, 271721)]