21071542

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5519}}^1$

素因数の和:5627

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12313418

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5519, 11038, 126937, 253874, 458077, 916154, 10535771, 21071542]

約数ペア:

[(1, 21071542), (2, 10535771), (23, 916154), (46, 458077), (83, 253874), (166, 126937), (1909, 11038), (3818, 5519)]