21668414

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:979

約数の個数: 16

約数和(自身を含む): 33265728

約数和(自身を除く): 11597314

約数列:

[1, 2, 53, 106, 367, 557, 734, 1114, 19451, 29521, 38902, 59042, 204419, 408838, 10834207, 21668414]

約数ペア:

[(1, 21668414), (2, 10834207), (53, 408838), (106, 204419), (367, 59042), (557, 38902), (734, 29521), (1114, 19451)]