21353272

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21017}}^1$

素因数の和:21150

約数の個数: 16

約数和(自身を含む): 40354560

約数和(自身を除く): 19001288

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21017, 42034, 84068, 168136, 2669159, 5338318, 10676636, 21353272]

約数ペア:

[(1, 21353272), (2, 10676636), (4, 5338318), (8, 2669159), (127, 168136), (254, 84068), (508, 42034), (1016, 21017)]