21950878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1087}}^1$

素因数の和:1551

約数の個数: 16

約数和(自身を含む): 34467840

約数和(自身を除く): 12516962

約数列:

[1, 2, 23, 46, 439, 878, 1087, 2174, 10097, 20194, 25001, 50002, 477193, 954386, 10975439, 21950878]

約数ペア:

[(1, 21950878), (2, 10975439), (23, 954386), (46, 477193), (439, 50002), (878, 25001), (1087, 20194), (2174, 10097)]