21007236

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 51968000

約数和(自身を除く): 30960764

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 199, 228, 398, 463, 597, 796, 926, 1194, 1389, 1852, 2388, 2778, 3781, 5556, 7562, 8797, 11343, 15124, 17594, 22686, 26391, 35188, 45372, 52782, 92137, 105564, 184274, 276411, 368548, 552822, 1105644, 1750603, 3501206, 5251809, 7002412, 10503618, 21007236]

約数ペア:

[(1, 21007236), (2, 10503618), (3, 7002412), (4, 5251809), (6, 3501206), (12, 1750603), (19, 1105644), (38, 552822), (57, 368548), (76, 276411), (114, 184274), (199, 105564), (228, 92137), (398, 52782), (463, 45372), (597, 35188), (796, 26391), (926, 22686), (1194, 17594), (1389, 15124), (1852, 11343), (2388, 8797), (2778, 7562), (3781, 5556)]