21777982

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:747

約数の個数: 16

約数和(自身を含む): 33176880

約数和(自身を除く): 11398898

約数列:

[1, 2, 109, 218, 283, 353, 566, 706, 30847, 38477, 61694, 76954, 99899, 199798, 10888991, 21777982]

約数ペア:

[(1, 21777982), (2, 10888991), (109, 199798), (218, 99899), (283, 76954), (353, 61694), (566, 38477), (706, 30847)]