21018711

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43517}}^1$

素因数の和:43550

約数の個数: 16

約数和(自身を含む): 33421824

約数和(自身を除く): 12403113

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43517, 130551, 304619, 913857, 1000891, 3002673, 7006237, 21018711]

約数ペア:

[(1, 21018711), (3, 7006237), (7, 3002673), (21, 1000891), (23, 913857), (69, 304619), (161, 130551), (483, 43517)]