21811166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27061}}^1$

素因数の和:27107

約数の個数: 16

約数和(自身を含む): 36371328

約数和(自身を除く): 14560162

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 27061, 54122, 351793, 703586, 838891, 1677782, 10905583, 21811166]

約数ペア:

[(1, 21811166), (2, 10905583), (13, 1677782), (26, 838891), (31, 703586), (62, 351793), (403, 54122), (806, 27061)]