21567348

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 38580012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 107, 132, 198, 214, 321, 396, 428, 509, 642, 963, 1018, 1177, 1284, 1527, 1926, 2036, 2354, 3054, 3531, 3852, 4581, 4708, 5599, 6108, 7062, 9162, 10593, 11198, 14124, 16797, 18324, 21186, 22396, 33594, 42372, 50391, 54463, 67188, 100782, 108926, 163389, 201564, 217852, 326778, 490167, 599093, 653556, 980334, 1198186, 1797279, 1960668, 2396372, 3594558, 5391837, 7189116, 10783674, 21567348]

約数ペア:

[(1, 21567348), (2, 10783674), (3, 7189116), (4, 5391837), (6, 3594558), (9, 2396372), (11, 1960668), (12, 1797279), (18, 1198186), (22, 980334), (33, 653556), (36, 599093), (44, 490167), (66, 326778), (99, 217852), (107, 201564), (132, 163389), (198, 108926), (214, 100782), (321, 67188), (396, 54463), (428, 50391), (509, 42372), (642, 33594), (963, 22396), (1018, 21186), (1177, 18324), (1284, 16797), (1527, 14124), (1926, 11198), (2036, 10593), (2354, 9162), (3054, 7062), (3531, 6108), (3852, 5599), (4581, 4708)]