21271096

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4933}}^1$

素因数の和:4964

約数の個数: 48

約数和(自身を含む): 50622840

約数和(自身を除く): 29351744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4933, 9866, 19732, 34531, 39464, 54263, 69062, 108526, 138124, 217052, 241717, 276248, 379841, 434104, 483434, 759682, 966868, 1519364, 1933736, 2658887, 3038728, 5317774, 10635548, 21271096]

約数ペア:

[(1, 21271096), (2, 10635548), (4, 5317774), (7, 3038728), (8, 2658887), (11, 1933736), (14, 1519364), (22, 966868), (28, 759682), (44, 483434), (49, 434104), (56, 379841), (77, 276248), (88, 241717), (98, 217052), (154, 138124), (196, 108526), (308, 69062), (392, 54263), (539, 39464), (616, 34531), (1078, 19732), (2156, 9866), (4312, 4933)]