21775442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2153}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 35282520

約数和(自身を除く): 13507078

約数列:

[1, 2, 13, 26, 389, 778, 2153, 4306, 5057, 10114, 27989, 55978, 837517, 1675034, 10887721, 21775442]

約数ペア:

[(1, 21775442), (2, 10887721), (13, 1675034), (26, 837517), (389, 55978), (778, 27989), (2153, 10114), (4306, 5057)]