21150724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 24007676

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 479, 532, 581, 958, 1162, 1577, 1916, 2324, 3154, 3353, 6308, 6706, 9101, 11039, 13412, 18202, 22078, 36404, 39757, 44156, 63707, 79514, 127414, 159028, 254828, 278299, 556598, 755383, 1113196, 1510766, 3021532, 5287681, 10575362, 21150724]

約数ペア:

[(1, 21150724), (2, 10575362), (4, 5287681), (7, 3021532), (14, 1510766), (19, 1113196), (28, 755383), (38, 556598), (76, 278299), (83, 254828), (133, 159028), (166, 127414), (266, 79514), (332, 63707), (479, 44156), (532, 39757), (581, 36404), (958, 22078), (1162, 18202), (1577, 13412), (1916, 11039), (2324, 9101), (3154, 6706), (3353, 6308)]