21143493

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3079}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 35235200

約数和(自身を除く): 14091707

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 3079, 6867, 9237, 21553, 27711, 64659, 193977, 335611, 1006833, 2349277, 3020499, 7047831, 21143493]

約数ペア:

[(1, 21143493), (3, 7047831), (7, 3020499), (9, 2349277), (21, 1006833), (63, 335611), (109, 193977), (327, 64659), (763, 27711), (981, 21553), (2289, 9237), (3079, 6867)]