21832497

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11719}}^1$

素因数の和:11754

約数の個数: 20

約数和(自身を含む): 34034880

約数和(自身を除く): 12202383

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11719, 35157, 105471, 269537, 316413, 808611, 949239, 2425833, 7277499, 21832497]

約数ペア:

[(1, 21832497), (3, 7277499), (9, 2425833), (23, 949239), (27, 808611), (69, 316413), (81, 269537), (207, 105471), (621, 35157), (1863, 11719)]