21439542

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3613}}^1$

素因数の和:3684

約数の個数: 32

約数和(自身を含む): 45796608

約数和(自身を除く): 24357066

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 3613, 5934, 7226, 10839, 21678, 83099, 155359, 166198, 249297, 310718, 466077, 498594, 932154, 3573257, 7146514, 10719771, 21439542]

約数ペア:

[(1, 21439542), (2, 10719771), (3, 7146514), (6, 3573257), (23, 932154), (43, 498594), (46, 466077), (69, 310718), (86, 249297), (129, 166198), (138, 155359), (258, 83099), (989, 21678), (1978, 10839), (2967, 7226), (3613, 5934)]