21465732

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 29942268

約数列:

[1, 2, 3, 4, 6, 12, 89, 101, 178, 199, 202, 267, 303, 356, 398, 404, 534, 597, 606, 796, 1068, 1194, 1212, 2388, 8989, 17711, 17978, 20099, 26967, 35422, 35956, 40198, 53133, 53934, 60297, 70844, 80396, 106266, 107868, 120594, 212532, 241188, 1788811, 3577622, 5366433, 7155244, 10732866, 21465732]

約数ペア:

[(1, 21465732), (2, 10732866), (3, 7155244), (4, 5366433), (6, 3577622), (12, 1788811), (89, 241188), (101, 212532), (178, 120594), (199, 107868), (202, 106266), (267, 80396), (303, 70844), (356, 60297), (398, 53934), (404, 53133), (534, 40198), (597, 35956), (606, 35422), (796, 26967), (1068, 20099), (1194, 17978), (1212, 17711), (2388, 8989)]