21778194

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157813}}^1$

素因数の和:157841

約数の個数: 16

約数和(自身を含む): 45450432

約数和(自身を除く): 23672238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157813, 315626, 473439, 946878, 3629699, 7259398, 10889097, 21778194]

約数ペア:

[(1, 21778194), (2, 10889097), (3, 7259398), (6, 3629699), (23, 946878), (46, 473439), (69, 315626), (138, 157813)]